0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall) header
0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall) profile picture

0xsh(๐Ÿ’™,๐Ÿงก)

@doertakesall

Software Engineer

 Berlin
Joined January 2019
  • Tweets128
  • Following587
  • Followers141
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Photo by 0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall)Photo by 0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall)Photo by 0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall)
0xsh(๐Ÿ’™,๐Ÿงก) retweeted
MM (@mmmmmmmdev) profile picture
MM@mmmmmmmdev11 Jan 2024
ํ•œ๋น›๋ฏธ๋””์–ด์˜ ์ง€์›์œผ๋กœ ์ฑ… ์ฆ์ • ๋ฆฌํŠธ์œ— ์ด๋ฒคํŠธ๋ฅผ ํ•ฉ๋‹ˆ๋‹ค. ๋Œ€์ƒ ๋…์ž์— ํ•ด๋‹นํ•˜์‹œ๊ณ , ์ฑ…์ด ๊ถ๊ธˆํ•˜์‹œ๋‹ค๋ฉด ๋ฆฌํŠธ์œ— ๋ˆŒ๋Ÿฌ์ฃผ์‹œ๋ฉด 3๋ถ„ ์ถ”์ฒจํ•˜์—ฌ ์ฑ…์„ ์ฆ์ •๋“œ๋ฆฝ๋‹ˆ๋‹ค. 14์ผ(์ผ) 23:59pm ๊นŒ์ง€ ๋ฐ›์„๊ฒŒ์š”!
Image from MM (@mmmmmmmdev)
MM (@mmmmmmmdev) profile pictureMM@mmmmmmmdev11 Jan 2024
์˜ค.. ์ด ์ฑ… ๋‚ด์šฉ ์ข‹๋‹ค ์šฐ์•„ํ•œํ…Œํฌ์ฝ”์Šค ๊ต์œก์ž์™€ ๋ฉ”ํƒ€ ๋‹ค๋‹ˆ์‹œ๋‹ค ์‹ฑ๊ฐ€ํฌ๋ฅด ์Šคํƒ€ํŠธ์—…์—์„œ ์ตœ๊ณ ์„ฑ์žฅ์ฑ…์ž„์ž, ํ”„๋กœ๋•ํŠธ ์˜คํผ๋ ˆ์ด์…˜ ๊ทธ๋ฃน ๋ฆฌ๋”๋กœ ์ผํ•˜๊ณ  ๊ณ„์‹  ๋ถ„์ด ์“ฐ๋Š” ๊ฐœ๋ฐœ์ž ํ•™์Šต/์ด์ง/์„ฑ์žฅ/์ปค๋ฆฌ์–ด๋ธŒ๋žœ๋”ฉ ๋“ฑ์— ๋Œ€ํ•œ ๊ธ€. (NHN NEXT ๋น„์ „๊ณต์ž ๋™๊ธฐ์…จ๋‹ค ํ•จ!)
Image from MM (@mmmmmmmdev)
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์ €๋„ ๋น„์Šทํ•˜๊ฒŒ vanity address ๊ด€๋ จ ๊ธ€์„ ์ฝ์–ด์„œ ์œ ์˜๊นŠ๊ฒŒ ๋ดค์Šต๋‹ˆ๋‹ค..! nitter.gq/doertakesall/status/15โ€ฆ
0xsh(๐Ÿ’™,๐Ÿงก) (@doertakesall) profile picture0xsh(๐Ÿ’™,๐Ÿงก)@doertakesall2 Oct 2022
1./ ์ตœ๊ทผ์— ํ„ฐ์ง„ ๋‹ค๋“ค ์•„์‹ค๋งŒํ•œ Wintermute hack ์‚ฌ๊ฑด์— ๋Œ€ํ•ด์„œ ์ €๋„ ์กฐ์‚ฌ๋ฅผ ํ•ด๋ดค๋Š”๋ฐ์š”. ์šฐ์„ , ์›์ธ์€ Vanity address ๋•Œ๋ฌธ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ํ•ด์ปค๋“ค์ด Wintermute๊ฐ€ ๋งŒ๋“  vanity address๋ฅผ brute force ๊ณต๊ฒฉ์œผ๋กœ ๋Œ€์ž…ํ•ด์„œ private key๋ฅผ ์•Œ์•„๋ƒˆ๊ณ , ์ž์‚ฐ์„ ํƒˆ์ทจํ–ˆ์Šต๋‹ˆ๋‹ค.
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0xsh(๐Ÿ’™,๐Ÿงก) retweeted
zzoha.eth (@gohameye) profile picture
zzoha.eth@gohameye10 Oct 2022
1/ ๋ฉ”์ด์ปค๋‹ค์˜ค๊ฐ€ ์ตœ๊ทผ ๋ฏธ๊ตญ ๊ตญ์ฑ„/์ฑ„๊ถŒ์— 5์–ต ๋‹ฌ๋Ÿฌ๋ฅผ ํˆฌ์žํ•จ. ์ด๋ฅผ ๋ณด๊ณ  ๋ฉ”์ด์ปค๋‹ค์˜ค์˜ ์Šคํ…Œ์ด๋ธ” ์ฝ”์ธ DAI๊ฐ€ '๋” ์•ˆ์ •์ '์ด ๋  ๊ฒƒ์ด๋ž€ ์ƒ๊ฐ์ด ๋จผ์ € ๋“ค ์ˆ˜ ์žˆ๋‹ค. ํ•˜์ง€๋งŒ ์ผ๊ฒฌ ๋ถˆ์•ˆํ•˜๋‹ค. ์Šคํ…Œ์ด๋ธ” ์ฝ”์ธ์ด ํŒ”๋ฆฌ์ง€ ์•Š๋Š” ๋ฏธ๊ตญ ๊ตญ์ฑ„, ์ฑ„๊ถŒ์„ ์œ„ํ•œ '์•ˆ์ •์ ์ธ' ์ˆ˜์š”์ฒ˜๊ฐ€ ๋  ๊ฒƒ ๊ฐ™๋‹ค๋Š” ์ƒ๊ฐ์—์„œ๋‹ค.
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๋‚˜์ค‘์— ๋ˆ ์ข€ ๋ฒŒ๋ฉด ์ด๋Ÿฐ ์นดํŽ˜ ํ•˜๋‚˜ ๋งŒ๋“ค๊ณ ์‹ถ๊ธดํ•˜๋‹ค. ๋”ฐ๋œปํ•œ ํ™˜๊ฒฝ์—์„œ ๋…ธํŠธ๋ถ ํ•  ์ˆ˜ ์žˆ๋Š” ์นดํŽ˜ ใ…Žใ…Ž
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Near is the future #NEARisNOW @ivanzrx
NEAR Protocol (@NEARProtocol) profile pictureNEAR Protocol
@NEARProtocol4 Oct 2022
#NEAR Community, the egg has hatched! The #NEAR emoji is born!๐Ÿฃ To celebrate this, weโ€™re giving you and a friend the chance to WIN a trip to Vietnam to visit our new Regional Hub ๐Ÿ‡ป๐Ÿ‡ณ Included: flights, a 7-night stay in a 4* hotel, and $2000 in NEAR Enter below ๐Ÿ‘‡
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I should own this tweet @lensprotocol #digitalroots sig:0x0545a4948d20082626bcf9b9adf2c81b26d891a1233e1ec97c6948b592f2104a0ee07bb7f73af0c56095500dbdd7c03857e1508ce2a44bf13788e9fff4b10d341b nitter.gq/i/status/1484186270737โ€ฆ
Lens (@LC) profile pictureLens
@LC20 Jan 2022
Own your #digitalroots Coming soon.
7./๊ทธ๋ฆฌ๊ณ  vanity address๋ฅผ ๋งŒ๋“ค์–ด์ฃผ๋Š” ์„œ๋น„์Šค๋ฅผ ์“ธ ๋•Œ๋Š” ์ฝ”๋“œ๋ฅผ ๋ณด๋“  ๋ฆฌ์„œ์น˜๋ฅผ ํ•˜๋“  ํ•ด์„œ ์ข€ ๋” ์•ˆ์ „ํ•˜๊ฒŒ ์ฃผ์†Œ๋ฅผ ๋งŒ๋“œ๋Š”์ง€ ํ™•์ธํ•˜๊ณ  ์“ฐ๋Š”๊ฒŒ ์ œ์ผ ์ข‹์„ ๊ฒƒ ๊ฐ™์•„์š” ใ…Žใ…Ž
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6./Vanity address๋ฅผ ์“ฐ๋Š”๋ถ„๋“ค์€ prefix๋ž‘ suffix๋ฅผ ์ปค์Šคํ…€ํ•˜์ง€ ์•Š๊ณ  ์“ฐ๋Š”๊ฒŒ ์ œ์ผ ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.(๋ฌผ๋ก  256๋น„ํŠธ ์ฃผ์†Œ ์ž์ฒด๋ฅผ brute forceํ•ด์„œ ๋šซ๋Š”๊ฑด ๊ฑฐ์˜ ์•ˆ๋œ๋‹ค๊ณ  ๋ด์•ผ๊ฒ ์ง€๋งŒ, ์ฃผ์†Œ์˜ ์ผ๋ถ€๋ถ„์„ ํŠน์ •ํ•ด๋ฒ„๋ฆฌ๋ฉด ๊ฒฐ๊ตญ ๊ณต๊ฒฉ์ž์—๊ฒŒ ํ™•๋ฅ ์„ ๋‚ด์–ด์ฃผ๋Š” ๊ฑฐ๋ผ๊ณ  ๋ณผ ์ˆ˜ ์žˆ์–ด์„œ ์ €๋Š” ์œ„ํ—˜๋„๊ฐ€ ์žˆ๋‹ค๊ณ  ๋ด…๋‹ˆ๋‹ค.)
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5./์ฆ‰, ๊ทธ ๋ง์€ - ๋ˆ„๊ฐ€ ๋šซ๊ณ ์‹ถ์€ ์ฃผ์†Œ๋“ค์„ ๋ฏธ๋ฆฌ ์ •์˜ํ•ด๋†“๊ณ (pre-compute a public key table) - GPU ์ด์šฉํ•ด์„œ vanity ์ฃผ์†Œ๋ฅผ ์—„์ฒญ ๋งŽ์ด ๋งŒ๋“ค์–ด์„œ, ์ •์˜ํ•œ ์ฃผ์†Œ๋ž‘ ๋Œ€์กฐํ•˜๋ฉด ๊ฒฐ๊ตญ private key๊ฐ€ ๋šซ๋ฆฌ๋Š” ๋ฐฉ์‹์ด์—ˆ๋‹ค๋Š” ์–˜๊ธฐ์ž…๋‹ˆ๋‹ค.(brute force style) Amber ๊ทธ๋ฃน ์กฐ์‚ฌ ๊ธฐ์‚ฌ : theblock.co/post/174055/ambeโ€ฆ

Amber Group reproduces Wintermute exploit in 48 hours using an Apple MacBook

Amber Group said it reproduced the recent Wintermute hack by calculating the market maker's private key.

theblock.co
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4./๋ฌผ๋ก  ์ด ์ฃผ์†Œ๋“ค์€ ๋‹ค random์ด๊ธดํ•˜์ง€๋งŒ, ์ด๋ฏธ ๊นƒํ—™์— ์˜ฌํ•ด 1์›”์— ์ œ๊ธฐ ๋œ ์ด์Šˆ๋ฅผ ๋ณด๋ฉด 2^32 ์ˆ˜์ค€์˜ seed๋กœ random์„ ๋ณด์žฅํ–ˆ๊ธฐ ๋•Œ๋ฌธ์— ์„ฑ๋Šฅ ์ข‹์€ ์ปดํ“จํ„ฐ๋กœ ๊ณ„์‚ฐํ•ด๋ฒ„๋ฆฌ๋ฉด ๋šซ๋ฆด ์ˆ˜ ์žˆ๋Š” ์ •๋„์˜ ํ™•๋ฅ ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ์ด์Šˆ : github.com/johguse/profanityโ€ฆ
Private key safety ยท Issue #61 ยท johguse/profanity

Private key safety ยท Issue #61 ยท johguse/profanity

Hi, could you elaborate on how private keys are being generated and brute forced? It seems like a reliable random number generator std::mt19937_64 is being fully initialized by unsigned int (https:...

github.com
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3./ ์ด๋ฒˆ์— ๋ฌธ์ œ๊ฐ€ ๋๋˜ Profanity์˜ ๊ฒฝ์šฐ ์ฃผ์†Œ prefix๋ฅผ 0 ์œผ๋กœ ์ฑ„์šธ ์ˆ˜ ์žˆ๋Š” ์„œ๋น„์Šค์˜€์Šต๋‹ˆ๋‹ค. - Profanity๋Š” (์œ ์ €๊ฐ€ ์›ํ•˜๋Š”) ํŠน์ •ํ•˜๊ฒŒ ์ •ํ•ด์ง„ prefix๊ฐ€ ์žˆ๋Š” ์ฃผ์†Œ๋ฅผ ์–ป๊ธฐ ์œ„ํ•ด ๊ณ„์† ์ฃผ์†Œ(public-private key set)๋“ค์„ ์ƒ์„ฑํ•ด์„œ ์›ํ•˜๋Š” ์ฃผ์†Œ๊ฐ€ ๋‚˜์˜ฌ๋•Œ๊นŒ์ง€ ๊ณ„์‚ฐํ•˜๋Š” ๋ฐฉ์‹์„ ์“ฐ๋Š”๋ฐ์š”.
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2./ Amber๋ผ๋Š” ๊ทธ๋ฃน์ด ์‹คํ—˜ํ•ด๋ณด๊ธธ, Macbook M1 pro๋กœ gpu ์‚ฌ์šฉํ•ด์„œ ์ดํ‹€์ด๋ฉด ์•Œ์•„๋‚ธ๋‹ค๊ณ  ํ•˜๋„ค์š”. ๊ทธ๋Ÿผ ์ด๊ฒŒ ์–ด๋–ป๊ฒŒ ๊ฐ€๋Šฅํ–ˆ๋˜๊ฑฐ๋ƒ? - vanity address๋ž€ ์ฃผ์†Œ์˜ prefix๋‚˜ suffix๋ฅผ ๋ณธ์ธ์ด ์ปค์Šคํ…€ํ•˜๊ฒŒ ์ฑ„์šธ ์ˆ˜ ์žˆ๋Š” address๋ผ๊ณ  ๋ณด์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค.
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1./ ์ตœ๊ทผ์— ํ„ฐ์ง„ ๋‹ค๋“ค ์•„์‹ค๋งŒํ•œ Wintermute hack ์‚ฌ๊ฑด์— ๋Œ€ํ•ด์„œ ์ €๋„ ์กฐ์‚ฌ๋ฅผ ํ•ด๋ดค๋Š”๋ฐ์š”. ์šฐ์„ , ์›์ธ์€ Vanity address ๋•Œ๋ฌธ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ํ•ด์ปค๋“ค์ด Wintermute๊ฐ€ ๋งŒ๋“  vanity address๋ฅผ brute force ๊ณต๊ฒฉ์œผ๋กœ ๋Œ€์ž…ํ•ด์„œ private key๋ฅผ ์•Œ์•„๋ƒˆ๊ณ , ์ž์‚ฐ์„ ํƒˆ์ทจํ–ˆ์Šต๋‹ˆ๋‹ค.
Mudit Gupta (@Mudit__Gupta) profile pictureMudit Gupta
@Mudit__Gupta20 Sep 2022
Wintermute was hacked for ~160m a few hours ago. I took a quick look and my best guess is that it was a hot wallet compromise due to the Profanity bug that was publicly disclosed a few weeks ago.
Image from Mudit Gupta (@Mudit__Gupta)
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Hi guys, I have created a log watcher to monitor the node error. You can receive slack message alerts when the node get errors or get panicked. Feel free to contribute it. Thanks. github.com/seanlion/near-proโ€ฆ
GitHub - seanlion/near-protocol-log-watcher: Log file watcher for Near protocol node

GitHub - seanlion/near-protocol-log-watcher: Log file watcher for Near protocol node

Log file watcher for Near protocol node. Contribute to seanlion/near-protocol-log-watcher development by creating an account on GitHub.

github.com
์†”๋ฆฌ๋””ํ‹ฐ ์—…๊ทธ๋ ˆ์ด๋”๋ธ” ์ปจํŠธ๋ž™ํŠธ ํŒจํ„ด์„ ๊ณต๋ถ€ํ•˜๊ธฐ ์œ„ํ•ด ์˜คํ”ˆ์ œํ”Œ๋ฆฐ์˜ ๊ธ€(blog.openzeppelin.com/proxy-โ€ฆ)๊ณผ ์ฝ”๋“œ๋ฅผ ์ญ‰ ํ•œ๋ฒˆ ํ›‘์–ด๋ณด์•˜๋‹ค. ํ™•์‹คํžˆ ์ฝ”๋“œ๋กœ ๋ณด๋‹ˆ๊นŒ, ์ดํ•ด๊ฐ€ ์ข€ ๋” ์ž˜๋˜๊ธด ํ–ˆ์Œ. ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ์€ ๊นƒํ—™์— ์ •๋ฆฌํ–ˆ๋Š”๋ฐ, ๊ด€์‹ฌ ์žˆ๋Š” ๋ถ„๋“ค์€ ์‚ดํŽด๋ด๋„ ์ข‹์„ ๊ฒƒ ๊ฐ™๋‹ค. github.com/seanlion/upgradabโ€ฆ
Proxy Patterns - OpenZeppelin blog

Proxy Patterns - OpenZeppelin blog

One of the biggest advantages of Ethereum is that every transaction of moving funds, every contract deployed, and every transaction made to a contract is immutable on a public ledger...

openzeppelin.com
7./ Evmos prize : 3๋“ฑ : Interchain object system that allows you to shard data across multiple chain using IBC and EVM. 2๋“ฑ : making airdrop easier and more effective reaching target audiences 1๋“ฑ : NFT Fractionalization tool (for Interchain NFTs)
6./ Juno prize 3rd : Virtual AMM by coswasm / DEX aggregator(with multiple route) 2nd : coswasm contract levers with interchain accounts(multisig account contract wallet) 1st : Osmosis 1๋“ฑ ํŒ€
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5./ Osmosis prize 3rd : OPT(Oracle module - optimize multiple route) 2nd : Subgraph (execute trades in noncustodial manner in Osmosis) 1st : Explorer with less 100 block history(for testing, developing)
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4./ SDK prize : 3rd : Fitness app 2nd : Explorer with cosmos chain swaps, Proxy between smite and cosmos sdk 1st : Wallet Aggregator between different blockchains even integrated with Metamask
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