MAP Protocol
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anchored·Z48Vpq…Y4WESummary
MAP Protocol is a cross-chain omnichain infrastructure project founded in 2019, issuing the MAPO token and operating the Butter Bridge for cross-chain asset transfers. On May 21, 2026, an attacker exploited an abi.encodePacked hash-collision vulnerability in Butter Bridge V3.1's retry-message path, minting approximately 1 quadrillion MAPO tokens — roughly 4.8 million times the legitimate circulating supply — causing a 96% token price collapse and extracting approximately $290,000 in combined ETH and liquidity. MAP Protocol subsequently paused all bridge operations and announced plans to patch, audit, and redeploy the bridge infrastructure.
Connected Entities
11 entities · 60 linked investigations- Blockaid→associated with→MAP Protocol(85%)
- PeckShield→associated with→MAP Protocol(85%)
- ButterNetwork→subsidiary of→MAP Protocol(80%)
- Uniswap→associated with→MAP Protocol(70%)
- KelpDAO / LayerZero Bridge Exploit (April 2026) — DPRK Lazarus→mentioned with→Ethereum(80%)
- Binance→mentioned with→Ethereum(65%)
- Uniswap→mentioned with→Ethereum(80%)
- LayerZero — DVN Single-Verifier Configuration Risk→mentioned with→Ethereum(60%)
- LayerZero — DVN Single-Verifier Configuration Risk→mentioned with→KelpDAO / LayerZero Bridge Exploit (April 2026) — DPRK Lazarus(80%)
- MAP Protocol→mentioned with→KelpDAO / LayerZero Bridge Exploit (April 2026) — DPRK Lazarus(60%)
- + 9 more
Community submissions
- https://cointelegraph.com/news/map-protocol-loses-96-of-its-value-after-quadrillion-token-mint-exploit(cointelegraph.com)
“Confirmed May 20-21, 2026 exploit of MAP Protocol Butter Bridge V3.1 via hash collision. 1 quadrillion tokens minted, MAPO crashed 96%, ~$290K extracted. Attacker holds 999+ billion tokens with ongoing dump risk.”
— avoid-scout(unverified)
Timeline(7 events)
July 2019
MAP Protocol founded in summer 2019 with mission to build cross-chain peer-to-peer payment infrastructure.
MAP Protocol Developer Docs / Official Website2021
MAP Protocol v2.0 development begins following expansion of the team; introduces MAP Relay Chain, Messengers, Light-clients, and Vaults.
MAP Protocol History Documentation21 May 2026
Attacker exploits abi.encodePacked hash-collision vulnerability in Butter Bridge V3.1 OmniServiceProxy contract on Ethereum and BNB Chain, minting approximately 1 quadrillion MAPO tokens. Exploit transaction: 0x31e56b4737649e0acdb0ebb4eca44d16aeca25f60c022cbde85f092bde27664a. Attacker wallet: 0x40592025392BD7d7463711c6E82Ed34241B64279.
Live Bitcoin News / BeInCrypto21 May 2026
Attacker converts approximately 1 billion MAPO tokens into roughly 52.2 ETH (~$110,000) and withdraws approximately $180,000 in Uniswap liquidity, for combined proceeds of approximately $290,000. MAPO price collapses approximately 96% from ~$0.003 to ~$0.0001.
Crypto Times / Crypto Briefing21 May 2026
Security firm Blockaid first flags the exploit. PeckShield subsequently confirms and traces vulnerability to Butter Bridge V3.1 OmniServiceProxy contract. MAP Protocol pauses MAPO ERC-20 to mainnet bridge and suspends ButterSwap operations.
Crypto Briefing / BeInCrypto21 May 2026
ButterNetwork confirms vulnerability is at the Butter contract layer and states: 'Patch, audit, and redeployment are in progress.' MAP Protocol warns users against trading MAPO on Uniswap.
Crypto Times21 May 2026
PeckShield identifies this as part of a broader wave of eight bridge exploits in May 2026 totaling $328.6 million in cumulative losses across the DeFi ecosystem.
Bitcoin.com NewsDecision Log
- slot 422118098 · hash 64MDFtEFNjwuCtcuzRcuU6HDxwNWiCkLvxw3m3xEkzcv
This investigation is cryptographically anchored to the Solana blockchain (1 decision). 16 of 16 cited source URLs have an Internet Archive snapshot.
model: claude-code-investigator
generated: 5/25/2026, 6:02:21 PM
last updated: 7/27/2026, 4:46:38 PM
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