Odaily Planet Daily reports: Joe Burnett, Vice President of Strive, posted on X that recent weeks may have been among the worst in Bitcoin’s history. Many users purchased reputable hardware wallets, generated mnemonic phrases offline, and followed established best practices—yet still lost significant amounts of Bitcoin due to a vulnerability affecting COLDCARD wallets that generated mnemonic phrases since March 2021. This vulnerability went undetected for over five years. Joe Burnett stated that this will permanently alter confidence in self-custody. Self-custody will still exist, but it has been irrevocably changed. For those seeking direct control over large amounts of Bitcoin, the standard must now be multi-signature setups with multiple vendors; keys should be independently generated using different hardware and software, and stored in separate physical locations. If this approach is not acceptable, users should turn to institutional custodians. Burnett noted that the current wave of Bitcoin adoption is being driven by ETFs, corporate treasuries, and institutional custodians—primarily by individuals who have no intention of becoming experts in private key generation, hardware security, firmware, backups, inheritance planning, or physical storage. Relying on a single key generated by one hardware wallet to secure large amounts of Bitcoin presents excessive concentration risk. Burnett also said that institutional custody could ultimately concentrate too much Bitcoin in the hands of large corporations, creating risks of censorship, seizure, and confiscation. However, Bitcoin’s portability and settlement properties provide critical counterbalances: users can create wallets and request custodians to send Bitcoin, transitioning from counterparty risk to direct ownership within minutes. Burnett believes that as long as Bitcoin itself remains secure, the failure of any one custody method does not invalidate the underlying monetary system—it instead compels the market to develop better tools, stronger standards, and more resilient custody architectures. This week may ultimately mark the end of one era in Bitcoin custody—and the beginning of the next wave of Bitcoin adoption.
Strive VP: Bitcoin Custody Enters a New Era Following 5-Year Coldcard Wallet Vulnerability
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Summary
Bitcoin news emerged as Strive VP Joe Burnett highlighted a five-year-old flaw in Coldcard wallets affecting mnemonics since March 2021, undermining confidence in self-custody. He advocated for multi-signature setups using keys from separate devices and locations for large Bitcoin holdings. Institutional adoption through ETFs and custodians is fueling the current surge, though Burnett cautioned against centralization risks. Bitcoin analysis indicates the issue lies not with the asset itself, but with the need for improved custody solutions.
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