1 00:00:00,700 --> 00:00:04,320 Thank you Ajit for the kind intro and I'm Victor Fang. 2 00:00:04,320 --> 00:00:10,980 I'm the CEO of Ancient AI and I'm joining from San Jose, where the company is located. 3 00:00:11,020 --> 00:00:17,220 And it's a great honor to be presenting as a keynote at the DEF CON Blockchain Village here. 4 00:00:17,220 --> 00:00:23,300 And today I'm going to talk about this most recent, very interesting hack, right, on Twitter. 5 00:00:23,380 --> 00:00:28,100 We call it the Twitter Tax Day Disaster. 6 00:00:28,100 --> 00:00:34,680 We're going to talk, explain to you the beginning and the end and all the implications to the industry. 7 00:00:37,970 --> 00:00:39,710 So first of all, who am I, right? 8 00:00:39,710 --> 00:00:44,370 Like Ajit just said, I presented last year, but some of you may be not new here. 9 00:00:44,370 --> 00:01:00,750 So I founded Ancient AI in 2018 and like some of the folks in the village, right, I also worked at FireEye Mendiant before and I was very honored to be recognized as the face of FireEye 2017 to now, actually. 10 00:01:00,750 --> 00:01:01,050 Yeah. 11 00:01:01,050 --> 00:01:05,170 And I say this year, they're still using my face to represent the FireEye. 12 00:01:05,170 --> 00:01:06,150 It's a great company. 13 00:01:06,150 --> 00:01:10,730 I really, I'm super pleased to see that. 14 00:01:10,730 --> 00:01:16,750 And I'm a big AI and machine learning practitioner since 2007. 15 00:01:16,750 --> 00:01:26,550 And one of my work is including how to use machine learning to detect the PowerShell exploit that is specifically in the APD32. 16 00:01:26,610 --> 00:01:29,490 And I actually have a blog on FireEye, check it out. 17 00:01:29,490 --> 00:01:42,570 And also I'm very honored to be able to work with the great engineers and all that and ship the products, the machine learning powered products to our network, endpoint, email in various companies. 18 00:01:42,730 --> 00:01:53,250 And also when I'm not solving the cybersecurity problems or blockchain problems, I also play electric guitar, but my teacher told me that I keep my day job yet. 19 00:01:53,250 --> 00:01:57,410 So I need your help to help me successful so I can create music. 20 00:01:57,410 --> 00:01:59,530 I can spend more time with music. 21 00:01:59,650 --> 00:02:00,950 So that's myself. 22 00:02:01,230 --> 00:02:03,410 And a little bit about my company, Ancient AI. 23 00:02:03,410 --> 00:02:07,370 We are an AI powered blockchain risk and compliance solution company. 24 00:02:07,370 --> 00:02:11,170 So the team are mostly from FireEye, Mendiant, McAfee. 25 00:02:11,690 --> 00:02:22,190 Then also my co-founder is coming from the internet industry, Yahoo, Pivotal, and we are backed by SIG, Cisco HANA, and Amino Capital. 26 00:02:22,190 --> 00:02:25,390 We are also part of the Berkeley Blockchain Accelerator. 27 00:02:25,910 --> 00:02:29,690 So yeah, so what's the largest hack in 2020, right? 28 00:02:29,690 --> 00:02:32,910 I may ask, when I ask different person, I'm going to get different answers. 29 00:02:32,910 --> 00:02:35,890 Some talk about this March hack on T-Mobile. 30 00:02:35,890 --> 00:02:39,070 Some talk about this Mario hack in April, right? 31 00:02:39,070 --> 00:02:40,410 Those are major hacks. 32 00:02:40,410 --> 00:02:46,790 But I think the biggest one, right, at least the one that gets to the mainstream is actually this text they had. 33 00:02:46,810 --> 00:02:48,930 It happened only a few weeks ago, right? 34 00:02:49,030 --> 00:02:50,970 July 15, 2020. 35 00:02:51,110 --> 00:02:56,270 And this is the screenshot of those celebrities, hacker, that being hacked. 36 00:02:56,430 --> 00:03:01,530 And this is something I'm going to talk about, drilling into every detail of it. 37 00:03:01,970 --> 00:03:05,250 And by the way, we have a contest in progress right now, right? 38 00:03:05,250 --> 00:03:07,230 Thanks for Ajit's help, right? 39 00:03:07,230 --> 00:03:08,770 So we're running it right now. 40 00:03:08,770 --> 00:03:10,030 We're actually in the middle of it. 41 00:03:10,030 --> 00:03:14,230 And actually some of the people already submitted the answers. 42 00:03:14,430 --> 00:03:15,230 Very cool. 43 00:03:15,230 --> 00:03:25,790 And yeah, and then I actually got the honor to be interviewed by the CBS News, right, on this specific incident, right? 44 00:03:25,790 --> 00:03:33,850 And yeah, very great to spend 10 minutes with Len Pease, one of my favorite news anchor. 45 00:03:34,730 --> 00:03:36,390 And okay, let's get down to it, right? 46 00:03:36,390 --> 00:03:43,430 So Twitter hack, it's actually the perfect crime, combining the centralized and decentralized. 47 00:03:43,430 --> 00:03:47,790 That's why I found it super intriguing. 48 00:03:48,370 --> 00:03:51,530 And if you step back and look at all this, right? 49 00:03:51,690 --> 00:03:56,210 We are actually at the boundary of two worlds, right? 50 00:03:56,630 --> 00:03:59,610 Centralized, those internet and banks and all that, right? 51 00:03:59,610 --> 00:04:06,990 And then decentralized, which is a lot of people here are big fans of blockchain, which is designed to be centralized. 52 00:04:06,990 --> 00:04:09,990 And the difference right now as of 2020, right? 53 00:04:11,150 --> 00:04:12,950 The centralized world, right? 54 00:04:12,950 --> 00:04:15,490 It's well studied, plenty of tools and all that, right? 55 00:04:15,490 --> 00:04:18,150 And then the decentralized world, right? 56 00:04:18,150 --> 00:04:21,410 In contrast, less study and lack of tools. 57 00:04:21,410 --> 00:04:23,850 So when the incident like that happened, right? 58 00:04:23,850 --> 00:04:28,670 People focus a lot on those internet, how they're hacking and all that, right? 59 00:04:28,670 --> 00:04:32,970 But fewer people actually focusing on what's happening on the blockchain. 60 00:04:32,970 --> 00:04:36,170 And that's actually the problem we're trying to solve also. 61 00:04:37,270 --> 00:04:39,510 And for this Twitter hack, right? 62 00:04:39,990 --> 00:04:44,410 We call it a Nigerian Prince scam 2.0, right? 63 00:04:44,410 --> 00:04:50,810 And yeah, so for those of you, I still remember those in the 1990s, those famous scam, right? 64 00:04:50,810 --> 00:04:52,630 You get emails or a letter, right? 65 00:04:52,630 --> 00:04:55,970 Saying, Hey, I'm Prince of Nigeria, right? 66 00:04:55,970 --> 00:04:58,350 And then I'm showing money. 67 00:04:58,530 --> 00:05:04,850 If you mail, send me a thousand dollars, I can send you $2,000 back in a few weeks, right? 68 00:05:04,850 --> 00:05:06,650 It's actually exactly what happened. 69 00:05:06,710 --> 00:05:08,390 The same tactic, right? 70 00:05:08,850 --> 00:05:11,430 And it's actually combining the cybersecurity hack, right? 71 00:05:11,430 --> 00:05:17,270 So they're social engineers and it's, which is a takeover into the Twitter main tool, right? 72 00:05:17,270 --> 00:05:19,410 It's a very typical insider spam, right? 73 00:05:19,410 --> 00:05:23,810 And as an outsider, the end user is literally very little you can do. 74 00:05:23,810 --> 00:05:24,390 Okay. 75 00:05:24,410 --> 00:05:26,610 And the second part is a financial scam. 76 00:05:26,690 --> 00:05:28,530 Once they get a hold of your account, right? 77 00:05:28,530 --> 00:05:33,390 They actually launched a Bitcoin as a scam using Bitcoin, right? 78 00:05:33,390 --> 00:05:35,970 It's actually this Nigerian Prince scam. 79 00:05:35,970 --> 00:05:39,530 It's a very famous scam called an advance fee scam, right? 80 00:05:39,530 --> 00:05:44,230 And then they leverage those money laundering as we're going to get into details. 81 00:05:44,830 --> 00:05:45,710 The timeline, right? 82 00:05:45,710 --> 00:05:47,030 Let's look at it, right? 83 00:05:47,030 --> 00:05:50,890 There's actually 10 plus Twitter accounts being hacked, right? 84 00:05:50,890 --> 00:05:52,730 In only three hours, right? 85 00:05:52,730 --> 00:05:56,350 And we summarize it in this nice timeline, right? 86 00:05:56,350 --> 00:05:58,250 There's actually three waves, right? 87 00:05:58,250 --> 00:06:02,170 The first wave are actually a blockchain industry, right? 88 00:06:02,310 --> 00:06:06,150 Finance, Coinbase, and all those celebrities, right? 89 00:06:06,150 --> 00:06:08,090 In this blockchain industry, right? 90 00:06:08,090 --> 00:06:11,590 And then the second wave starting from 1pm in the middle, right? 91 00:06:11,630 --> 00:06:14,770 Elon Musk, Bill Gates, and then Apple and Uber, right? 92 00:06:14,770 --> 00:06:15,310 Roughly. 93 00:06:15,310 --> 00:06:17,530 They are all in the high tech industry. 94 00:06:17,530 --> 00:06:20,250 Then the third wave, the politicians, right? 95 00:06:20,570 --> 00:06:24,670 Obama, Joe Biden, and King Wes and all that, right? 96 00:06:24,670 --> 00:06:28,170 And they are the third wave being hacked before the show is over. 97 00:06:28,170 --> 00:06:32,450 And it's funny to mention that Elon Musk got hacked twice in this wave also. 98 00:06:33,570 --> 00:06:34,910 If we look at it, right? 99 00:06:34,910 --> 00:06:36,430 It's getting more interesting, right? 100 00:06:36,430 --> 00:06:39,590 So the hacker posts the Bitcoin address in Twitter, right? 101 00:06:39,590 --> 00:06:41,430 And people start sending money to it, right? 102 00:06:41,430 --> 00:06:45,510 And then if you look at this chart, we generate it using our CISO tool, right? 103 00:06:45,870 --> 00:06:48,890 You can clearly see that within the 24 hours, right? 104 00:06:48,890 --> 00:06:50,970 There's a lot of money movement on the blockchain, right? 105 00:06:50,970 --> 00:06:52,110 This is what I say. 106 00:06:52,110 --> 00:06:57,410 This is the dark side of the decentralized world, right? 107 00:06:57,410 --> 00:07:01,170 Not a lot of people are aware of it because of the lack of tools, right? 108 00:07:01,450 --> 00:07:03,590 And then this is exactly what we're trying to help, right? 109 00:07:03,910 --> 00:07:11,750 Within 24 hours, actually, the hacker receives those money and starts doing the money laundering, right? 110 00:07:11,750 --> 00:07:15,230 And within 24 hours, they wire into six different wallets. 111 00:07:15,230 --> 00:07:19,190 We actually have a full detail blocks in our media, okay? 112 00:07:19,190 --> 00:07:30,670 And it's funny to mention that there's actually still... we're able to recognize three... there's three victims coming from a known exchanges, right? 113 00:07:30,670 --> 00:07:33,150 Are sending money to it, right? 114 00:07:34,790 --> 00:07:39,190 And then if we look at a longer time horizon, right? 115 00:07:39,190 --> 00:07:39,990 Five days. 116 00:07:39,990 --> 00:07:43,350 And then actually, as we predicted on day one, right? 117 00:07:43,350 --> 00:07:47,350 The hacker starts to run through the mixers, right? 118 00:07:47,350 --> 00:07:48,810 The tumblers, right? 119 00:07:49,010 --> 00:07:51,210 To start the money laundering process, right? 120 00:07:51,210 --> 00:07:54,310 Those are the hops and splits and jumps, as you can see, right? 121 00:07:54,310 --> 00:07:56,830 They actually eventually get into this wasabi mixer. 122 00:07:56,830 --> 00:07:58,790 I will spend more time on it later. 123 00:07:59,870 --> 00:08:01,390 And there's a quick update, right? 124 00:08:01,390 --> 00:08:02,890 I mean, a few days ago, right? 125 00:08:02,890 --> 00:08:04,630 You guys are probably already aware of it, right? 126 00:08:04,630 --> 00:08:06,890 So those three Twitter hackers are arrested. 127 00:08:06,890 --> 00:08:09,470 One of them, I think it's confirmed to be in Florida. 128 00:08:09,470 --> 00:08:11,630 Two of them are actually the UK cities and all that. 129 00:08:11,630 --> 00:08:13,990 There's a wire article on that, right? 130 00:08:15,230 --> 00:08:20,190 And yeah, let's... I mean, let's... this is like a typical Mendian exercise, right? 131 00:08:20,190 --> 00:08:22,210 Let's try to attribute this hacker, right? 132 00:08:22,210 --> 00:08:24,190 So we actually in day one, right? 133 00:08:24,190 --> 00:08:28,330 We launched this block, one of the most in-depth block, right? 134 00:08:28,530 --> 00:08:30,310 Investigation reporting industry. 135 00:08:30,450 --> 00:08:35,490 So the first one is like, we correlate with some of our threat intel, right? 136 00:08:35,490 --> 00:08:40,730 We find out this thing is actually correlated to crypto4health.com, right? 137 00:08:40,730 --> 00:08:46,990 And the right-hand side, yeah, this is the first time you guys are seeing it, but internally, we actually analyze more than just blockchain, right? 138 00:08:46,990 --> 00:08:51,870 We also analyze the domain registrations and all that in our threat intel database. 139 00:08:51,970 --> 00:08:56,090 So we knew that this was actually a US-based server, right? 140 00:08:56,090 --> 00:09:03,530 And then we also say, they will predict... they will start a Bitcoin mixer, money laundering, right? 141 00:09:03,530 --> 00:09:07,310 This is like how we found the ransomware, right? 142 00:09:07,310 --> 00:09:08,870 The WarnerCrypt and all that, right? 143 00:09:08,870 --> 00:09:09,930 Back in a few years ago. 144 00:09:10,130 --> 00:09:13,670 And then we also say, hey, it's a coordinate crypt, as you can see, right? 145 00:09:13,670 --> 00:09:16,790 That timeline is structured in three ways and all that. 146 00:09:16,790 --> 00:09:17,790 It's well-planned. 147 00:09:17,790 --> 00:09:20,330 It's not a random keep doing the random hacking, right? 148 00:09:20,330 --> 00:09:28,050 It's coordinate crypt, but it's less sophisticated than those hacking campaigns I have done with DeWitt before, right? 149 00:09:28,050 --> 00:09:29,630 At FireEye Mendiance and all that. 150 00:09:29,630 --> 00:09:33,610 Those APT hackers are more sophisticated than these guys. 151 00:09:34,070 --> 00:09:40,250 And then one thing we did miss, one prediction we did wrong is actually we told the media, hey, be patient. 152 00:09:40,250 --> 00:09:48,970 It may take a few months to arrest them, but actually the law enforcement were able to caught those guys in two weeks, right? 153 00:09:50,190 --> 00:09:54,070 And there's a question that I got asked often, right? 154 00:09:54,070 --> 00:09:57,910 So why the hackers only make $100,000, right? 155 00:09:57,910 --> 00:09:58,930 You think about it. 156 00:09:58,930 --> 00:10:01,670 Those most powerful people in the US, right? 157 00:10:01,670 --> 00:10:02,910 Their Twitter account got hacked. 158 00:10:02,910 --> 00:10:04,430 Why they only make 100K? 159 00:10:04,430 --> 00:10:06,270 Why the hacker only make 100K? 160 00:10:06,270 --> 00:10:07,110 That's nothing. 161 00:10:07,490 --> 00:10:10,430 But okay, if you remember that timeline, right? 162 00:10:10,430 --> 00:10:14,710 It's actually the shows only last for three hours, no more than that, right? 163 00:10:14,710 --> 00:10:22,990 And then if you divide it by three, that's actually still $36,000 per hour, pretty decent profit that they make, right? 164 00:10:22,990 --> 00:10:25,390 So I think thanks to the Twitter team, right? 165 00:10:25,390 --> 00:10:29,250 The compromised celebrities and everyone that alerted this hack, right? 166 00:10:29,250 --> 00:10:35,370 Including those people that forwarded our research report and some other companies report, right? 167 00:10:35,370 --> 00:10:44,350 This is actually the awareness where we can help bring more transparency, bring more light into this dark world. 168 00:10:44,910 --> 00:10:47,270 As my interview to Inverse, right? 169 00:10:47,270 --> 00:10:49,990 One of the New York based media, right? 170 00:10:49,990 --> 00:10:53,970 Humans are always the weakest link, as you can see again here, right? 171 00:10:53,970 --> 00:11:03,390 The threat vector is, again, is getting the human, getting the internal infrastructure and then compromise the entire Twitter admin tool, right? 172 00:11:03,390 --> 00:11:13,090 And this is exactly why our company, so we can act faster and be more preventive. 173 00:11:14,130 --> 00:11:15,030 Oh, okay. 174 00:11:15,030 --> 00:11:16,910 So let's get to the second section here, right? 175 00:11:16,910 --> 00:11:21,590 So I want to talk about some cool technology in the blockchain security and would like to pick this one. 176 00:11:21,590 --> 00:11:24,650 I think this is the most exciting technology advancement, right? 177 00:11:24,870 --> 00:11:27,930 SpaceX send us the Dragon Crew, right? 178 00:11:27,930 --> 00:11:32,130 They sent two astronauts to the ISS, super cool. 179 00:11:33,510 --> 00:11:37,530 And then look at the Earth, right? 180 00:11:37,530 --> 00:11:41,890 From the space, actually, you cannot see any border, okay? 181 00:11:42,230 --> 00:11:48,170 And actually, the human, right, create maps so we can navigate. 182 00:11:48,430 --> 00:11:51,930 This is exactly what nChain AI try to achieve, right? 183 00:11:51,930 --> 00:11:58,910 We create blockchain maps for this massive centralized world, so your business can navigate. 184 00:11:58,910 --> 00:12:12,710 For example, we are trying to identify which one are the exchanges, which one is the OTC and miner and hackers and all that, so we can make transaction more safely, more securely in this decentralized world. 185 00:12:13,590 --> 00:12:17,050 Then look at this world, right? 186 00:12:17,470 --> 00:12:18,970 That's $8 billion. 187 00:12:19,030 --> 00:12:24,670 Actually, only 1% of the money laundering are in cryptocurrency based on FATAP. 188 00:12:24,670 --> 00:12:31,970 FATAP is the organization defining the anti-money laundering standards and all that based in Europe, okay? 189 00:12:31,970 --> 00:12:34,070 So three typical, three steps, right? 190 00:12:34,070 --> 00:12:36,870 In any money laundering, including this one, okay? 191 00:12:36,870 --> 00:12:40,910 Including the Bitcoin and cryptocurrency and all Tether, stablecoins and all that. 192 00:12:40,910 --> 00:12:44,390 Three steps, placement, layering and integration, right? 193 00:12:44,390 --> 00:12:49,070 And we have done some investigation, including this Twitter hack one, right? 194 00:12:49,130 --> 00:12:56,790 And then actually, the hackers are actually, they use this technology, right? 195 00:12:56,790 --> 00:13:09,010 This money laundry in cryptocurrency technology being used by many, many other bad actors, like ransomware, people are selling their breach data on dark webs and all that. 196 00:13:10,270 --> 00:13:12,490 And this is a super challenging task, right? 197 00:13:12,490 --> 00:13:15,550 That's why we haven't seen any company have done that yet, right? 198 00:13:15,550 --> 00:13:23,550 One of the challenges is actually we have over 500 million addresses out there in the blockchain world and it's growing like crazy, right? 199 00:13:23,550 --> 00:13:25,870 And then if you make a comparison, right? 200 00:13:25,870 --> 00:13:27,230 This is where I live, right? 201 00:13:27,230 --> 00:13:29,870 In San Francisco Bay Area, a satellite map, right? 202 00:13:29,870 --> 00:13:34,570 Without putting those landmarks and all that, right? 203 00:13:34,570 --> 00:13:36,630 Like what usually you are seeing the map, right? 204 00:13:36,630 --> 00:13:38,850 Or putting the highways or buildings and all that. 205 00:13:38,850 --> 00:13:41,890 It's really hard to figure out what's going on there, right? 206 00:13:42,030 --> 00:13:43,530 And then the same thing, right? 207 00:13:43,530 --> 00:13:47,590 The Bitcoin UTXO transaction graph looks like the right hand side, right? 208 00:13:47,590 --> 00:13:50,590 And there's a 500 million vertices there. 209 00:13:50,590 --> 00:13:54,510 And it's going to get to billions real quick, right? 210 00:13:54,510 --> 00:13:56,990 Because we have many other blockchain coming up. 211 00:13:56,990 --> 00:14:04,130 Exelium is doing pretty well recently and there's other, like for example, those tokens are running on top of Exelium and all that, right? 212 00:14:04,130 --> 00:14:06,330 It's getting more and more challenging. 213 00:14:07,370 --> 00:14:09,030 And our solution to this, right? 214 00:14:09,030 --> 00:14:13,130 And I think this is a blockchain mapping is the best way to do it, right? 215 00:14:13,130 --> 00:14:19,250 There's three specific technology feature where a technology problem is solving, right? 216 00:14:19,250 --> 00:14:21,230 One is pseudonymity, right? 217 00:14:21,230 --> 00:14:24,030 We're using the threat intel UEBAs and all that. 218 00:14:24,030 --> 00:14:27,510 We try to figure out the behavior of the address. 219 00:14:27,970 --> 00:14:31,370 Then the second one we deal with is the massive data volume, right? 220 00:14:31,370 --> 00:14:34,510 We're left with big data cloud and GPU, right? 221 00:14:34,570 --> 00:14:36,970 Some of the models are running on deep learning. 222 00:14:37,070 --> 00:14:40,850 Then complex graph transaction relationship, right? 223 00:14:40,850 --> 00:14:47,230 That's where we actually develop AI and UX focused investigation tool that we will talk about. 224 00:14:47,230 --> 00:14:51,850 And actually some people in the room are already using that CISO product, right? 225 00:14:52,590 --> 00:14:56,390 Then our machine learning connect to more than 10 different blockchains, right? 226 00:14:56,390 --> 00:14:59,070 And as promised, I'm going to put one equation here. 227 00:14:59,070 --> 00:15:01,830 And this is the only equation in this entire slide, right? 228 00:15:01,830 --> 00:15:04,590 So one of the model is using deep learning, right? 229 00:15:04,590 --> 00:15:11,110 To try to figure out exactly the same technology being used by AlphaGo, AlphaStar, the self-driving car and all that. 230 00:15:11,110 --> 00:15:16,370 We're trying to figure out giving kinds of transactions of an address. 231 00:15:16,370 --> 00:15:20,130 Can we figure out the behavior of it, right? 232 00:15:20,130 --> 00:15:24,030 Then yeah, just to make an analogy here, right? 233 00:15:24,530 --> 00:15:27,190 500 million blockchain addresses, right? 234 00:15:27,190 --> 00:15:30,270 It's like what the map is our intelligence we're creating. 235 00:15:30,270 --> 00:15:31,470 The bank, right? 236 00:15:31,470 --> 00:15:33,470 That on the landmark, right? 237 00:15:33,470 --> 00:15:44,570 They are similar to reputable exchanges like Coinbase and all those top exchanges that are more focusing on compliance and regulation, right? 238 00:15:44,570 --> 00:15:46,210 And car accident, right? 239 00:15:46,210 --> 00:15:53,130 Those bad incidents and those are the suspicious actors that we reflect on the right-hand side here. 240 00:15:53,130 --> 00:15:55,250 And that's what the goal we're trying to achieve. 241 00:15:55,250 --> 00:16:00,990 We're trying to make it more transparent so we can navigate more securely and safely. 242 00:16:01,570 --> 00:16:04,330 Okay, let's do a little bit of a pop quiz, right? 243 00:16:04,370 --> 00:16:06,230 Yeah, who can tell me what is this? 244 00:16:06,230 --> 00:16:09,570 This is one of the typical Bitcoin address, right? 245 00:16:10,050 --> 00:16:10,950 What is it? 246 00:16:11,130 --> 00:16:14,310 It's hard to see, all those nonsense letters. 247 00:16:15,210 --> 00:16:22,630 Well, and then if you open and putting this address in any of the blockchain explorers and all that, right? 248 00:16:22,630 --> 00:16:24,070 This is what you're going to see, okay? 249 00:16:24,070 --> 00:16:27,470 It's a wealthy and probably still active Bitcoin wallet, right? 250 00:16:27,470 --> 00:16:30,030 That's usually this is what you can get, right? 251 00:16:30,470 --> 00:16:32,710 And it started at what? 252 00:16:33,110 --> 00:16:34,230 2017, right? 253 00:16:34,230 --> 00:16:35,770 If that's a hint to you. 254 00:16:36,250 --> 00:16:39,430 It turns out, okay, it's actually a WannaCry ransomware. 255 00:16:39,430 --> 00:16:44,910 One of the few wallets that they embedded into their ransomware, right? 256 00:16:44,910 --> 00:16:50,690 I think some of you probably are exploring in ransomware and all that. 257 00:16:50,690 --> 00:16:54,350 And this is actually one of the screenshot we get from the FireEye sandbox, right? 258 00:16:54,350 --> 00:16:59,270 This is that exact screenshot what pops up when you got infected by WannaCry. 259 00:16:59,670 --> 00:17:00,970 That little address, see that? 260 00:17:00,970 --> 00:17:06,850 That's the 12T9 is exactly what the hackers are using for receiving the ransom. 261 00:17:07,930 --> 00:17:14,090 Okay, so we have been building this intelligence database in the last two years, right? 262 00:17:14,090 --> 00:17:23,730 And then, yeah, so when you're plugging, we're trying to tell you, okay, this is actually the ransomware which even tells you the family, the WannaCry and all that. 263 00:17:23,730 --> 00:17:27,030 And most importantly, if you're running a crypto business, right? 264 00:17:27,030 --> 00:17:30,070 We will tell you, hey, do not transact with this guy, right? 265 00:17:30,070 --> 00:17:33,190 Reflect as the highest risk score, 100, right? 266 00:17:33,190 --> 00:17:33,990 Do not transact. 267 00:17:33,990 --> 00:17:39,730 If you make transaction with this guy, Boeing Forceman is going to come to you. 268 00:17:39,910 --> 00:17:43,730 And they are equipped with threat and intelligence tool these days. 269 00:17:44,690 --> 00:17:46,990 And actually, that's a good thing, right? 270 00:17:46,990 --> 00:17:52,950 So, and then, so that's exactly why we are launching this tool, right? 271 00:17:52,950 --> 00:17:54,150 For free, right? 272 00:17:54,150 --> 00:17:57,450 We're trying to democratize blockchain investigation. 273 00:17:57,470 --> 00:18:02,410 Other than paying $100,000 to buy some of the expensive commercial tool, right? 274 00:18:02,410 --> 00:18:06,090 We feel like we need to lower the barrier of entry. 275 00:18:06,090 --> 00:18:09,650 We need to make this tool more available to everybody, right? 276 00:18:09,650 --> 00:18:14,890 So, we can actually help this industry obtain X. 277 00:18:14,890 --> 00:18:16,810 So, by the way, as we're speaking, right? 278 00:18:16,810 --> 00:18:20,490 We actually just launched the second challenge in the same website, right? 279 00:18:20,490 --> 00:18:23,870 So, now you should see the button, right? 280 00:18:23,870 --> 00:18:25,290 Being activated. 281 00:18:25,590 --> 00:18:29,470 So, the second challenge is the WannaCry ransomware challenge. 282 00:18:31,170 --> 00:18:31,890 Okay. 283 00:18:31,890 --> 00:18:35,430 And so, let's drill down a little bit deeper, right? 284 00:18:35,430 --> 00:18:36,990 What is a Bitcoin mixer, right? 285 00:18:36,990 --> 00:18:41,950 Maybe, I mean, some of you are already using it or very familiar with it, right? 286 00:18:42,110 --> 00:18:44,450 Basically, as of now, right? 287 00:18:44,450 --> 00:18:52,650 It's the most popular Bitcoin mixer in the world, algorithm, right? 288 00:18:52,650 --> 00:18:56,550 There's a paper published a few years ago explaining the details of it, right? 289 00:18:56,770 --> 00:19:00,550 And then we believe that the Twitter hackers are actually using Wasabi, right? 290 00:19:00,550 --> 00:19:01,870 It's hard to tell, right? 291 00:19:01,870 --> 00:19:04,890 Because they keep shuffling around the wallets and address and all that. 292 00:19:04,890 --> 00:19:06,970 But then in the mixer, right? 293 00:19:06,970 --> 00:19:15,590 But then based on the machine learnings and all that, we can actually see the similarity of the transactions, right? 294 00:19:15,590 --> 00:19:20,790 They're using to the existing behavior training base we already have. 295 00:19:22,070 --> 00:19:22,850 Okay. 296 00:19:22,850 --> 00:19:24,290 So, as a human, right? 297 00:19:24,290 --> 00:19:27,310 If you're seeing transactions like this, right? 298 00:19:27,310 --> 00:19:31,030 It's very hard to figure out what that is, right? 299 00:19:31,410 --> 00:19:36,430 It's just one of the many UTXO transactions, right? 300 00:19:36,490 --> 00:19:38,890 You have some sudden behavior tracing there, right? 301 00:19:38,890 --> 00:19:40,490 That's why we can leverage machine learning. 302 00:19:40,490 --> 00:19:48,210 But it's still hard to say because some exchanges, especially the mainstream exchanges, will use similar technology like this also, right? 303 00:19:48,350 --> 00:19:53,210 And by the way, it is a Wasabi transaction, okay? 304 00:19:53,210 --> 00:20:01,290 We have detected over 700,000 of similar transactions like this, and that's only on the 2020, okay? 305 00:20:01,290 --> 00:20:04,370 And out of the 54 million total transactions. 306 00:20:05,970 --> 00:20:08,590 How machine learning detects this, right? 307 00:20:08,630 --> 00:20:14,730 So, this is one of... we're going to share with you some of the best models we built in our auto machine learning pipeline, right? 308 00:20:14,730 --> 00:20:17,270 This is the gradient boosting tree model we built, right? 309 00:20:17,270 --> 00:20:19,070 This is just an illustration of it. 310 00:20:19,070 --> 00:20:25,330 We have a thousand trees model, super accurate, that we trained from all this curated transaction data, right? 311 00:20:25,550 --> 00:20:31,590 And for example, on the left-hand side, that's one of the real... that's the Twitter hack transaction, right? 312 00:20:31,590 --> 00:20:45,230 And then some of them are actually... our model predicts as a high probability of being a because they have those certain characteristics of the Bitcoin mixer, right? 313 00:20:45,230 --> 00:20:47,670 And how machine learning can help, right? 314 00:20:48,390 --> 00:20:52,450 We have built thousands of those machine learning models, right? 315 00:20:52,450 --> 00:20:55,350 To specifically detect every behavior. 316 00:20:55,350 --> 00:20:57,550 For example, mixer is a big one. 317 00:20:57,550 --> 00:21:00,350 Exchange, hackers, and bots, right? 318 00:21:00,350 --> 00:21:02,570 We talked about bots last year, right? 319 00:21:02,570 --> 00:21:11,790 And then there's actually whatever you can find on the internet, the decentralized world, you can also find the equivalent party, the decentralized world. 320 00:21:11,790 --> 00:21:13,250 That's very interesting. 321 00:21:14,390 --> 00:21:16,210 Can we prevent this, right? 322 00:21:16,210 --> 00:21:20,270 I think it's totally feasible if we equip with the right technology, right? 323 00:21:20,270 --> 00:21:21,890 And like Coinbase, right? 324 00:21:21,930 --> 00:21:25,350 Coinbase did a great job, incident response, right? 325 00:21:25,350 --> 00:21:29,790 And then as Phil Martin presented to the Forbes, right? 326 00:21:29,790 --> 00:21:37,410 So I think, yeah, they were able to block them when this thing is just starting to happen, right? 327 00:21:37,550 --> 00:21:39,850 So thanks for doing that Coinbase, I think. 328 00:21:39,850 --> 00:21:43,150 And more exchanges should follow this pattern, right? 329 00:21:43,150 --> 00:21:51,790 Equip with the right technology, the right experts, block all these bad transactions, protect this entire blockchain ecosystem, 330 00:21:55,840 --> 00:21:56,680 right? 331 00:21:56,680 --> 00:21:59,220 Oh, I know some of the other companies, right? 332 00:21:59,220 --> 00:22:04,700 They kind of think about privacy in a different way, right? 333 00:22:04,700 --> 00:22:09,360 But our perspective, NCHI's perspective on the privacy on blockchain, right? 334 00:22:09,360 --> 00:22:13,340 Privacy should always be protected as well, okay? 335 00:22:13,340 --> 00:22:15,560 But there's a big distinction, right? 336 00:22:15,560 --> 00:22:21,520 Between this NCHI blockchain mapping versus other surveillance, right? 337 00:22:21,520 --> 00:22:25,820 We don't call our surveillance, we are mapping the blockchain world. 338 00:22:26,040 --> 00:22:31,180 We only get down to the behavior level, so that's like, what is it, right? 339 00:22:31,180 --> 00:22:37,120 So for example, I'm telling, okay, this address is a bank, it's a post office, that's it, right? 340 00:22:37,120 --> 00:22:40,100 Not to the individual level, that's a huge difference. 341 00:22:40,100 --> 00:22:54,640 We're not trying to breach the customer privacy, we're not trying to identify the individual level, and public intelligence, all of the intelligence are coming from public resources that we got, right? 342 00:22:54,820 --> 00:22:56,300 Then, don't be evil, right? 343 00:22:56,300 --> 00:22:59,700 Never monetize on the customer's privacy data, right? 344 00:22:59,700 --> 00:23:03,400 And focus on malicious addresses for the risk purpose, right? 345 00:23:03,400 --> 00:23:11,640 The whole business here, we're trying to make blockchain more secure to transact, that's on the privacy. 346 00:23:11,640 --> 00:23:22,120 And then, Twitter hack is actually defining a new chapter of the blockchain world in 2020. 347 00:23:22,120 --> 00:23:28,040 This is what I call the end of the beginning, I want to call Winston Churchill, one of my favorite characters, right? 348 00:23:28,340 --> 00:23:30,120 This is the end of the beginning. 349 00:23:30,620 --> 00:23:32,760 Why do I say that, right? 350 00:23:32,880 --> 00:23:35,340 We are entering a new chapter. 351 00:23:35,920 --> 00:23:37,180 Before this, right? 352 00:23:37,180 --> 00:23:41,520 I mean, Bitcoin shows up in 2009, right? 353 00:23:42,000 --> 00:23:44,320 And all the way until today. 354 00:23:44,320 --> 00:23:49,980 It's still a great area, especially in the regulatory compliance side, right? 355 00:23:49,980 --> 00:23:56,080 A different country, a different opinion on it, SEC still haven't figured out what really cryptocurrency is. 356 00:23:56,080 --> 00:24:00,180 Is it a security, a currency, or asset, or whatever, a commodity? 357 00:24:00,600 --> 00:24:02,280 They haven't figured it out yet, right? 358 00:24:02,280 --> 00:24:03,860 But going forward, right? 359 00:24:03,860 --> 00:24:16,240 2020 and beyond, they are already spending a lot of effort in defining this, to bring more regulatory compliance, providing guidelines on the VASP, right? 360 00:24:16,240 --> 00:24:18,540 The Virtual Asset Service Provider. 361 00:24:18,940 --> 00:24:26,580 For example, FADA, the AML, the company, at that organization, they're defining the standard for anti-money laundry, right? 362 00:24:26,580 --> 00:24:31,900 FADA and OCC, this is the bank regulator body in US. 363 00:24:31,900 --> 00:24:35,020 ISACA and SEC think about that. 364 00:24:38,300 --> 00:24:40,140 Is there a question? 365 00:24:43,180 --> 00:24:46,920 And then the community is going to help more transparency, right? 366 00:24:46,920 --> 00:24:50,220 And when I look at this, this industry, right? 367 00:24:50,320 --> 00:24:56,840 The moment it got acquired for blockchain adoption. 368 00:25:01,160 --> 00:25:02,760 Is there a question on the line? 369 00:25:06,360 --> 00:25:07,660 10x growth, right? 370 00:25:07,660 --> 00:25:11,360 Only happens when more blockchain adoption to the mainstream. 371 00:25:11,360 --> 00:25:22,340 And if we allow those hackers are using Bitcoin and cryptocurrency, the long-term funding and all that, this industry is going to fail, or it's going to stay like this, right? 372 00:25:22,340 --> 00:25:26,940 So that's why we need to... 373 00:25:28,020 --> 00:25:37,420 I mean, some of you actually doesn't look like working with the government bodies and all that, but I think this is actually helpful to make this industry grow 10x. 374 00:25:39,060 --> 00:25:40,260 And what's next, right? 375 00:25:40,260 --> 00:25:46,280 After this Twitter hack 2020, I think there's three things, three aspects to it. 376 00:25:46,940 --> 00:25:48,120 Awareness. 377 00:25:48,120 --> 00:25:54,620 Blockchain needs us to work as a community to fight all this illicit use of cryptos. 378 00:25:54,840 --> 00:25:56,900 The technology side. 379 00:25:57,380 --> 00:26:07,340 One of the main reasons that a lot of exchanges are still accepting those longer bitcoins or cryptocurrency stable coins and all that, right? 380 00:26:07,340 --> 00:26:10,860 It's actually because they lack of the technology, right? 381 00:26:11,220 --> 00:26:21,300 And then technology, as we are showing already, is making it possible to defend against those illicit use of cryptos, especially with machine learning and AI, right? 382 00:26:21,300 --> 00:26:30,860 So we have, like I said, we have almost 800,000 transactions using Wasabi, the mixer, in 2020. 383 00:26:31,080 --> 00:26:34,200 Some of them are good, some of them are bad, but at least we need to picture it. 384 00:26:34,200 --> 00:26:37,920 We need to kind of tell you, okay, it's actually a mixer. 385 00:26:37,920 --> 00:26:42,300 And then different countries, different exchanges have different policies against it, right? 386 00:26:42,300 --> 00:26:45,880 Compliance bodies also have different ways of defining it, right? 387 00:26:45,880 --> 00:26:55,700 For example, earlier this year, Binance, they got caught up by the Singapore MAS, right? 388 00:26:55,700 --> 00:26:59,300 The Singapore MAS is their regulatory body, like the SEC, right? 389 00:26:59,300 --> 00:26:59,940 Singapore. 390 00:26:59,940 --> 00:27:07,940 And then they kind of tell Binance, hey, you cannot accept mixer if they're coming into exchange, right? 391 00:27:07,940 --> 00:27:10,540 Things are still starting to change, right? 392 00:27:10,540 --> 00:27:18,400 So government has also realized that, okay, this cryptocurrency is going to be getting more and more mainstream, right? 393 00:27:18,400 --> 00:27:24,300 How do we make it secure for everybody, so more people can enjoy this great technology? 394 00:27:24,300 --> 00:27:31,460 And on the risk and security side, compliance side, technology is also a big factor to it, right? 395 00:27:31,460 --> 00:27:35,820 It can be applied to preventive or post-incident, right? 396 00:27:35,960 --> 00:27:40,160 Then the third one, regulatory compliance guideline from the public sector, right? 397 00:27:40,360 --> 00:27:45,060 FATF, OCC, SEC, and things like that, and 5AMLB, right? 398 00:27:45,060 --> 00:27:47,880 That's from the European side. 399 00:27:49,460 --> 00:27:57,460 Then, yeah, and then so I'm very fascinated by this SpaceX, right? 400 00:27:57,460 --> 00:27:59,120 That Dragon Crew, right? 401 00:27:59,120 --> 00:28:03,320 So and then we compared it to this Boeing Starliner on the left-hand side. 402 00:28:03,380 --> 00:28:09,980 I call it pre-2020, but then I decided to put another pre because this is a super vintage. 403 00:28:09,980 --> 00:28:15,680 If you look at the dashboard, man, this is crazy, and how it's going to navigate. 404 00:28:15,680 --> 00:28:18,480 There's like hundreds of buttons out there, right? 405 00:28:18,480 --> 00:28:21,820 If you look at our right-hand side, in contrast, right? 406 00:28:22,200 --> 00:28:26,940 Yeah, this is actually the design that SpaceX had, right? 407 00:28:26,940 --> 00:28:29,940 So make super sleek, super easy to navigate, right? 408 00:28:29,940 --> 00:28:34,100 It's spent a lot of time on the user experience, the UX side of it, right? 409 00:28:34,100 --> 00:28:36,340 To really make it accessible. 410 00:28:36,340 --> 00:28:39,300 And this is also, I feel, is important, right? 411 00:28:40,100 --> 00:28:48,560 If very few people can only use very few tools to get access, to understand what blockchain is, right? 412 00:28:48,560 --> 00:28:51,320 And that is a big problem for the industry, right? 413 00:28:51,320 --> 00:28:53,700 Think about it, like the internet, right? 414 00:28:53,700 --> 00:28:55,680 We're using internet every day, right? 415 00:28:56,360 --> 00:28:58,400 But on the blockchain side, look at it. 416 00:28:58,400 --> 00:28:59,600 How many tools do you use? 417 00:28:59,600 --> 00:29:04,680 If the blockchain explorer, yeah, those are only good, those are like Wireshark, right? 418 00:29:04,680 --> 00:29:10,240 But then you have to have something more accessible, more user-friendly for them. 419 00:29:10,240 --> 00:29:15,980 Even to look at those, this blockchain investigation side of it, right? 420 00:29:16,180 --> 00:29:20,340 It can actually help you understand more of what's happening. 421 00:29:20,340 --> 00:29:26,540 And I think that the general public, right, need to have a tool like that. 422 00:29:27,660 --> 00:29:30,540 Then, okay, so this is towards the end of my talk, right? 423 00:29:30,540 --> 00:29:34,900 So as I said, right, as of now, we actually just launched the second set of the challenge, right? 424 00:29:34,900 --> 00:29:36,080 Join the contacts right now. 425 00:29:36,080 --> 00:29:39,100 It's going to last until tomorrow night, midnight, right? 426 00:29:39,100 --> 00:29:40,840 So you still have plenty of time. 427 00:29:41,140 --> 00:29:44,380 This whole challenge, as I promised, is no code. 428 00:29:44,380 --> 00:29:45,820 You don't have to code up anything. 429 00:29:45,820 --> 00:29:54,200 The only thing you need is go to the website and put those address there and then start clicking, start exploring, right? 430 00:29:54,200 --> 00:29:59,580 But as you know, as an analyst, a researcher, you still have to have some expertise in that. 431 00:29:59,580 --> 00:30:06,160 But I mean, at the bare minimum, you don't need any technical skills to be able to enjoy this technology, right? 432 00:30:06,160 --> 00:30:10,260 And that's actually the main thesis when I talk to my team, right? 433 00:30:10,260 --> 00:30:16,200 This is one of the design principles I want the engineer, the designer to build, right? 434 00:30:16,200 --> 00:30:19,060 To build into our DNA of the product, right? 435 00:30:19,060 --> 00:30:24,340 And then, so we allocate over a thousand dollars worth of Bitcoin price, right? 436 00:30:24,340 --> 00:30:26,360 And so we're in the middle of it. 437 00:30:26,360 --> 00:30:29,740 So the first set of the challenge was the Twitter hack, right? 438 00:30:29,740 --> 00:30:34,740 So you can actually experience, you can be a detective yourself. 439 00:30:35,060 --> 00:30:37,020 Open the website, the contacts, right? 440 00:30:37,020 --> 00:30:38,660 And then, yeah, check it out. 441 00:30:38,660 --> 00:30:45,240 And then now we are launching a second set of the challenge, which is the ransomware that I just showed you. 442 00:30:49,300 --> 00:30:52,300 So that's the end of my talk. 443 00:30:52,300 --> 00:30:58,480 And yeah, so we got about 40 minutes and half an hour, 20 minutes. 444 00:30:58,480 --> 00:31:01,200 So Ajit, so we have a Q&A time. 445 00:31:09,150 --> 00:31:10,970 And by the way, this is the website, right? 446 00:31:10,970 --> 00:31:13,570 This is the blockchainviz.net contest. 447 00:31:16,950 --> 00:31:17,650 Okay, go ahead. 448 00:31:17,650 --> 00:31:18,590 Any questions? 449 00:31:51,070 --> 00:31:55,790 How many of you have tried the contest already? 450 00:31:55,790 --> 00:31:56,930 What do you guys think? 451 00:31:56,930 --> 00:31:58,210 Any thoughts? 452 00:31:58,210 --> 00:31:59,710 Any feedbacks 453 00:32:29,400 --> 00:32:29,980 ? 454 00:32:30,260 --> 00:32:32,040 Yeah, let's see. 455 00:32:35,980 --> 00:32:41,480 Oh, ah, I see. 456 00:32:42,680 --> 00:32:45,800 So there's a streaming on Twitch and also YouTube. 457 00:32:50,280 --> 00:32:51,360 All right, okay. 458 00:33:24,260 --> 00:33:25,640 Okay, yeah. 459 00:33:28,040 --> 00:33:29,420 Right, right. 460 00:33:29,420 --> 00:33:32,840 Yeah, actually I can see that there's already a few submissions, right? 461 00:33:32,840 --> 00:33:35,620 And then, yeah, so some of them already got it right, right? 462 00:33:35,620 --> 00:33:37,960 I think, yeah, the first set of the challenge, right? 463 00:33:37,960 --> 00:33:43,480 Yeah, so we do have a pretty intelligent cloud in the room here. 464 00:33:44,640 --> 00:33:45,740 But let's see. 465 00:33:45,740 --> 00:33:48,240 We still have, what, how many hours? 466 00:33:48,240 --> 00:33:50,640 We have one and a half days, right, ahead now. 467 00:33:50,640 --> 00:33:53,360 So we just launched the second set of the challenge, right? 468 00:33:53,360 --> 00:33:54,320 So check it out. 469 00:33:54,320 --> 00:33:56,180 And yeah, it's fun. 470 00:33:56,580 --> 00:33:58,460 And there's no any feedback and all that, right? 471 00:33:58,460 --> 00:34:06,180 So we're actually expecting a lot of, we actually saw a lot of traffic going to the website and we'll just upgrade the server and all that, right? 472 00:34:06,180 --> 00:34:08,780 So hopefully we can handle the traffic and all that. 473 00:34:08,780 --> 00:34:13,380 And yeah, so thanks a lot for participating in the contest. 474 00:34:13,380 --> 00:34:16,080 And let's see which one's going to be a winner . 475 00:34:23,030 --> 00:34:25,010 And it's fun. 476 00:34:25,250 --> 00:34:36,710 And it's fun that you can actually see those, you can become an investigator, and all this intelligence and all that are already publicly available in the public ledger, Bitcoin, which is great. 477 00:34:36,710 --> 00:34:40,170 We just need a tool to tap into it to make it more accessible. 478 00:35:05,440 --> 00:35:06,320 All right, cool. 479 00:35:06,320 --> 00:35:06,860 Thank you, Ajit. 480 00:35:06,860 --> 00:35:08,000 Thank you, everyone. 481 00:35:08,000 --> 00:35:09,000 Bye-bye. 482 00:35:13,420 --> 00:35:14,360 Thank you, Ajit. 483 00:35:14,360 --> 00:35:15,000 Thank you, everyone. 484 00:35:15,000 --> 00:35:15,660 Bye-bye.