Activistpost iconActivistpostSep 26, 2026

Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline

In the wake of Coldcard's catastrophic entropy bug, self-custody advocates and experts have begun recommending a new standard, multi-vendor multisignature wallets, an approach that looks to minimize —among other threats— dependency on any single hardware wallet manufacturer. The Coldcard entropy bug that went undiscovered since at least 2021 has taught […] The post Coinkite's Coldcard Bug Exposed Single-Sig Risk.

Coinkite’s Coldcard Bug Exposed Single-Sig Risk. Multi-Vendor Multisig Is the New Bitcoin Custody Baseline

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The Coldcard entropy bug that went undiscovered since at least 2021 has taught […] The post Coinkite's Coldcard Bug Exposed Single-Sig Risk.

In the wake of Coldcard's catastrophic entropy bug, self-custody advocates and experts have begun recommending a new standard, multi-vendor multisignature wallets, an approach that looks to minimize —among...

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The Coldcard entropy bug that went undiscovered since at least 2021 has taught […] The post Coinkite's Coldcard Bug Exposed Single-Sig Risk. In the wake of Coldcard's catastrophic entropy bug, self-custody advocates and experts have begun recommending a new standard, multi-vendor multisignature wallets, an approach that looks to minimize —among other threats— dependency on any single hardware wallet manufacturer. Multi-Vendor Multisig Is the New Bitcoin Cust...

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In the wake of Coldcard's catastrophic entropy bug, self-custody advocates and experts have begun recommending a new standard, multi-vendor multisignature wallets, an approach that looks to minimize —among other threats— dependency on any single hardware wallet manufacturer. Multi-Vendor Multisig Is the New Bitcoin Cust...

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