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Coldcard Hacker's Wallet Flooded with On-Chain Messages from Victims

Published on August 04, 2026

Categories: Security Bitcoin Crime

Victims of a Coldcard hack are reportedly spending small amounts of Bitcoin (BTC) to send OP_RETURN messages directly to the thief's wallet, appealing for the return of their stolen funds.

Victims are spending small amounts of BTC on OP_RETURN messages asking the Coldcard thief to give some of it back.

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