Crypto sleuth ZachXBT has managed to deanonymise withdrawals from crypto mixer Railgun whereas figuring out a suspect linked to NFT wash buying and selling and the $28 million Bittensor hack.
Decentralized protocol Bittsensor suffered a provide chain assault in 2024 that resulted within the theft of $28 million from 32 holders of its TAO token.
In an investigation revealed right this moment, ZachXBT confirmed how he was in a position to hint these funds to on the spot exchanges the place they had been swapped for privacy-focused cryptocurrency monero.
5/ I deanonymized the Railgun withdrawals to 3 addresses (0x1d7, 0x87d8, 0x1fbc) by making use of timing / quantity heuristics.
Complete deposits: 1249.68 ETH, 277.2K USDC, 22.35 WETH
Complete withdrawals: 1246.16 ETH, 276.4K USDC, 19.83 WETH
The distinctive denominations and quick deposit… pic.twitter.com/6jZ2yrqLQw
— ZachXBT (@zachxbt) October 15, 2025
A snippet of ZachXBT’s full Bittsensor investigation.
Nearly $5 million value of those funds was transferred to Railgun in batches of ether, USDC, and wrapped ether.
ZachXBT claims to have then deanonymized the withdrawals from Railgun by making use of timing and quantity “heuristics.”
In response to the sleuth, “The unique denominations and short deposit time makes the demix high confidence.”
Railgun is a rival to Twister Money, and has seen the likes of Ethereum creator Vitalik Buterin use its service.
In some cases, Railgun has utilised protocol coverage to return stolen funds, for instance from the $9.5 million exploit of the Starknet community. On the flip aspect, it’s additionally widespread with North Korean hacking collective Lazarus Group.
It is a strong demonstration of Railgun’s privateness swimming pools mechanism ( https://t.co/DekkatsMR5 ) working in observe, permitting Railgun to keep away from serving proceeds of crime with out utilizing any snooping / backdoors.
The way it works:
* Anybody can deposit into Railgun.
* After you deposit,… https://t.co/SqclMS3SzO
— vitalik.eth (@VitalikButerin) February 13, 2025
Vitalik Buterin praising the crypto mixer Railgun.
Crypto mixers are designed to make funds untraceable as soon as they’ve been withdrawn. ZachXBT’s analysis, nevertheless, seems to undermine this utterly.
Wash buying and selling NFT anime ladies
As soon as the crypto was obfuscated, the suspects despatched the funds to 3 extra addresses and made varied bridged transactions.
The funds had been then used to buy some anime-themed NFTs and, by means of varied overpriced gross sales and fund transfers, they had been laundered.
The crypto sleuth famous that, “It’s extremely rare to see exploits/hacks involve NFT wash trading.”

The Killer GF NFT collection in query.
One deal with that acquired the funds was funded by an deal with belonging to a Bittensor person who glided by the alias “Rusty,” and created “Skrtt racing,” a crypto mission that took bets on live-streamed Sizzling Wheels races.
ZachXBT linked this particular person to a lawsuit launched in opposition to suspects of the Bittensor hack, and famous that Rusty, giving an announcement within the lawsuit as Ayden B, denies involvement within the rip-off, however admitted to proudly owning the wallets ZachXBT managed to determine in his investigation.
“Hopefully law enforcement eventually moves forward with a criminal case in the future,” he stated.
Protos has reached out to ZachXBT to search out out extra and can replace this piece ought to we hear again.
