Total Assets$926.18m
Total Assets by Chain
Ethereum$758.97m
XRPL$64.99m
Polygon$37.39m
Tron$31.95m
Stellar$18.39m
Solana$6.69m
EthereumClassic$3.8m
Arbitrum$2.27m
OP Mainnet$942,374
Cardano$515,375
Bitcoin$268,252
Exchange Information
Poloniex is a centralized cryptocurrency exchange platform where users can deposit, trade, and withdraw a wide range of digital assets with order books, spot trading, derivatives markets, and custodial wallet services provided by the platform operator.
Methodology
Total Assets: Total value of all coins held in the smart contracts of the protocolView code on GitHubHacks
Date: Mar 4, 2014
Amount: $50,000
Classification: Protocol Logic
Technique: Withdrawal Logic Flaw
An attacker discovered a race condition in Poloniex's withdrawal processing logic. By submitting multiple concurrent withdrawal requests, the attacker could deplete accounts to negative balances before the system updated withdrawal state, extracting 97 BTC without having that balance.
Chains: Bitcoin
Target Type: CEX
Date: Nov 10, 2023
Amount: $126m
Classification: Social Engineering
Technique: Malware
Poloniex hot wallet private keys compromised on November 10, 2023, draining $126M across Ethereum, Tron, and Bitcoin. Compromise likely via malware or social engineering. Justin Sun committed to full reimbursement.
Chains: Tron, Ethereum, Bitcoin
Target Type: CEX