TAC Protocol Bridge (2026) — Crypto Hack
Not Recovered$2.8M drained from TAC Protocol's TON-Ethereum bridge in USDT, BLUM, and tsTON; team plans treasury reimbursement.
Summary
$2.8M drained from TAC Protocol's TON-Ethereum bridge in USDT, BLUM, and tsTON; team plans treasury reimbursement.
How It Was Compromised — Bridge Exploit via Cross-chain bridge between TON and Ethereum drained approximately $2.8M in USDT, BLUM, and tsTON tokens. TAC confirmed the $TAC token, TON, and ERC-20 assets from the Ethereum side were not affected. Exact attack path not disclosed by team.
On May 14 2026, TAC Protocol's cross-chain bridge connecting TON and Ethereum was exploited for approximately $2.8M. Stolen assets included USDT, BLUM tokens, and tsTON. The TAC team confirmed that the $TAC token itself, native TON tokens, and ERC-20 assets on the Ethereum side of the bridge were unaffected. The exact attack methodology has not been publicly disclosed by the team. TAC Protocol announced plans to reimburse affected users from treasury token reserves, though no specific timeline for reimbursement has been confirmed.
Fund Flow & Laundering Analysis
Details of fund movements post-exploit have not been publicly disclosed. The scope of affected assets (USDT, BLUM, tsTON) suggests the exploit targeted the TON-side liquidity pool or bridge escrow. On-chain tracing of stolen assets is ongoing.