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 at present, ZachXBT confirmed how he was in a position to hint these funds to instantaneous 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.
Whole deposits: 1249.68 ETH, 277.2K USDC, 22.35 WETHTotal withdrawals: 1246.16 ETH, 276.4K USDC, 19.83 WETH
The distinctive denominations and brief deposit… pic.twitter.com/6jZ2yrqLQw
— ZachXBT (@zachxbt) October 15, 2025
A snippet of ZachXBT’s full Bittsensor investigation.
Nearly $5 million price 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 keeping with 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 common with North Korean hacking collective Lazarus Group.
This can be a stable demonstration of Railgun’s privateness swimming pools mechanism ( https://t.co/DekkatsMR5 ) working in apply, 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Crypto mixers are designed to make funds untraceable as soon as they’ve been withdrawn.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 fully.
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 numerous bridged transactions.
The funds had been then used to buy some anime-themed NFTs and, by means of numerous 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 sequence in query.
One deal with that acquired the funds was funded by an deal with belonging to a Bittensor consumer 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 a press release within the lawsuit as Ayden B, denies involvement within the rip-off, however admitted to proudly owning the wallets ZachXBT managed to establish 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 seek out out extra and can replace this piece ought to we hear again.
