<!doctype html><html lang=en><meta charset=utf-8><meta name="viewport" content="width=device-width,initial-scale=1"><title>privacy treasure hunt</title><style>:root{--bg:#fff;--fg:#111;--mut:#666;--line:#ddd;--c1:#e8003d;--c2:#f06400;--c3:#c99a00;--c4:#00a651;--c5:#0077e6;--c6:#7b3fe4;--c7:#d6009a}@media(prefers-color-scheme:dark){:root{--bg:#0e0e0e;--fg:#eee;--mut:#999;--line:#2c2c2c;--c1:#ff3b6b;--c2:#ff9a1f;--c3:#ffe14d;--c4:#3dff8f;--c5:#36c5ff;--c6:#a77bff;--c7:#ff4fd8}}*{box-sizing:border-box}body{margin:0 auto;max-width:960px;padding:40px 16px;background:var(--bg);color:var(--fg);font:15px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}h1{font-size:24px;margin:0 0 8px}p{color:var(--mut);margin:0 0 32px;max-width:80ch}ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}li{border:1px solid var(--line);padding:16px}li:target{border-color:var(--fg)}li>a{color:inherit;font-size:28px;font-weight:700;text-decoration:none}p a{color:var(--fg);text-underline-offset:2px}ol+p{margin:32px 0 0}img{display:block;width:222px;padding:24px;margin:12px 0;background:#fff;image-rendering:pixelated}code{display:block;word-break:break-all;user-select:all}h1 i{display:inline-block;font-style:normal;animation:bob 1.4s ease-in-out infinite,hue 2.8s linear infinite;animation-delay:calc(var(--i)*.12s - 2.8s),calc(var(--i)*.25s - 5.6s)}.rb{background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3),var(--c4),var(--c5),var(--c6),var(--c7),var(--c1)) 0 0/24em auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:flow 3s linear infinite}@keyframes bob{50%{transform:translateY(-.2em) scale(1.2);text-shadow:0 0 .3em currentColor}}@keyframes hue{0%,100%{color:var(--c1)}14%{color:var(--c2)}29%{color:var(--c3)}43%{color:var(--c4)}57%{color:var(--c5)}71%{color:var(--c6)}86%{color:var(--c7)}}@keyframes flow{to{background-position:24em 0}}@media(prefers-reduced-motion:reduce){h1 i,.rb{animation:none}}</style><h1 aria-label="amazing privacy treasure hunt by l2beat"><i style=--i:0>a</i><i style=--i:1>m</i><i style=--i:2>a</i><i style=--i:3>z</i><i style=--i:4>i</i><i style=--i:5>n</i><i style=--i:6>g</i> <i style=--i:8>p</i><i style=--i:9>r</i><i style=--i:10>i</i><i style=--i:11>v</i><i style=--i:12>a</i><i style=--i:13>c</i><i style=--i:14>y</i> treasure hunt by l2beat</h1><p>funds were sent from Ethereum L1 through different privacy protocols and ended up at the addresses below. trace each one back to its source. but beware, they all have the same source! so to not fool yourself (or your agents) you should try to <b class=rb>track each one of them in isolation</b>. you win each of the challenges by replying to <a href=https://x.com/l2beat target=_blank>@l2beat on twitter</a> with the challenge number (or destination address) you solved, the source address on ethereum and the website you found there, and a short <b class=rb>explanation why you succeeded in deanonymizing / linking the destination to the source</b>. this explanation will be very interesting, since it may reveal if you are opus or human or a hybrid. a bit later, we will explain all of them in-depth for the humans just like the l2beat that we are.<ol><li id=1><a href=#1>#1</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABXRVofYoVYEX2quBFlFKwRUmgcH2tN2gBEoVg/1jXQBxTYHjTfIxg1QA5kD6C0ABFNC+wprQxoCjEsgDvcLgAxGcHKLKllLht4LBAVsJRAHQ16DD/bh/4AVVUAH15bfBFEs0QRQLdEEW9hRB9hUXwAXF0AA==" alt=qr><code>0x72cc4839fB181fe25e1F1eA8aDa1c497a7C07e7C</code><li id=2><a href=#2>#2</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABM2XAfcUJiEU1UVBF04uoRU+QUH2Pt2ABg8Uw/1eXcEn1gHCCoz4ISLVOYPsBV/AUMRZYXmOOqKhh41Cyy4pgzNOWMCoqNqhQuTNAJvuimFXrt2j/iof4AVVUAH3QzfBFZHUQRYBlEEWERRB9JoXwAc3cAA==" alt=qr><code>0x1718AE64902cfF7601344D7f5801F36c402BDbb0</code><li id=3><a href=#3>#3</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABQ6LYfatZ6EVP++hFEFHoRTbgOH0cB3ABltVI/3ZXMGTkoEhWmtsofSHq2GfImTCpLuvABoyaKJyuKUh3XpswLSW8ADdDQvghWN7oHjrDcEG+PBj/b1/4AVVUAH1iXfBFWkUQRU41EEVaTRB9tu3wAfPUAA==" alt=qr><code>0x906ff67514449638DadDC09b007f0b7b3023EF33</code><li id=4><a href=#4>#4</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABHIoYfdzeaEVhnWhFW0K4RW6QQH1W9ygBxkUo/x7ncFCk0GhrNukoWd2f+C9T1TAx4lqAwhfaaFm1UliTI1QgrTk76AIezzDcWdfIh+7QMEHAnBj/Rs/4AVVUAH0pnfBFRk0QRUm1EEU+TRB9j93wAaKsAA==" alt=qr><code>0xc6F4Ad525be064C2ACB28b033231A00BBDdC33ab</code><li id=5><a href=#5>#5</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABFXoYfdQLaEVyd0hFArroRRbwUH1mBzAB1GVI/x7nMG3E0Ahb2jPoVFfneGa/QDDp6O8AfgoBaG29W+ibbpVwCA7SmBZMe+D5bFtoKyaVMEGWdBj/cBf4AVVUAH1cZfBFNN0QRQXtEEUinRB93G3wAZbUAA==" alt=qr><code>0x64046b48B802d117953b112B1e77AA9aEBA5aA81</code><li id=6><a href=#6>#6</a><img src="data:image/bmp;base64,Qk2yAAAAAAAAAD4AAAAoAAAAHQAAAB0AAAABAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///wABIbFofZYuqEW3alBFexEoRZ2QOH1YxwAB0VUY/3WXcES70HD+5jKgbCM8QLLT+NDIjGMQbiiy6JFTeYArPyrgRGP44Esj7sBRMSpYq8szsGlNevj/7a/4AVVUAH1gjfBFmk0QRYbNEEWtnRB9zNXwAfzcAA==" alt=qr><code>0xF1cDD601C5Edb7F5f5cAFffFF16d1083fee1Ac68</code></ol><p>hint: find privacy leaks in the protocols used here <a href=https://l2beat.com/privacy/summary target=_blank>on L2BEAT</a>