A day-by-day juxtaposition of the Coldcard vulnerability and the U.S. custody rules: the former exposes the risk in the key-seed generation process, while the latter brings back regulatory scrutiny over how institutions should hold digital assets.
According to a report by Bitcoin Magazine, Galaxy Research said the Bitcoin losses from the Coldcard theft incident reached $115 million. The report cites Coinkite as saying that some Coldcard Mk3 firmware causes seed generation to fall back to a weaker software pseudo-random number generator, which may allow an attacker to guess the seed phrase. Updating the device does not fix seeds that have already been generated; key generation, fund transfers, and subsequent signing are distinct security boundaries.
According to The Block, the U.S. Securities and Exchange Commission’s rule changes on how investment advisers hold digital assets have been submitted to the White House for review. The SEC said the rulemaking is intended to clarify the framework for investment advisers and investment companies to custody crypto assets and to modernize parts of the provisions. For now, it can only be confirmed that the rules have entered the review process; it cannot be written as already effective, nor can it be used to infer specific custody institutions or control measures.
The common issue in both stories is the control layer: how keys are generated, who can trigger transfers, whether transfers can be paused in abnormal situations, and how to confirm after migration that old credentials no longer control assets. Self-custody does not replace key-lifecycle management, and a regulatory framework does not replace engineering design for authorization, verification, and migration.
Position disclosure: This article is published by the operator of CoWallet and is for organizing industry information only, not investment advice.
Sources: The Block; Bitcoin Magazine
#自托管 #密钥安全 #加密监管 #Coldcard
According to a report by Bitcoin Magazine, Galaxy Research said the Bitcoin losses from the Coldcard theft incident reached $115 million. The report cites Coinkite as saying that some Coldcard Mk3 firmware causes seed generation to fall back to a weaker software pseudo-random number generator, which may allow an attacker to guess the seed phrase. Updating the device does not fix seeds that have already been generated; key generation, fund transfers, and subsequent signing are distinct security boundaries.
According to The Block, the U.S. Securities and Exchange Commission’s rule changes on how investment advisers hold digital assets have been submitted to the White House for review. The SEC said the rulemaking is intended to clarify the framework for investment advisers and investment companies to custody crypto assets and to modernize parts of the provisions. For now, it can only be confirmed that the rules have entered the review process; it cannot be written as already effective, nor can it be used to infer specific custody institutions or control measures.
The common issue in both stories is the control layer: how keys are generated, who can trigger transfers, whether transfers can be paused in abnormal situations, and how to confirm after migration that old credentials no longer control assets. Self-custody does not replace key-lifecycle management, and a regulatory framework does not replace engineering design for authorization, verification, and migration.
Position disclosure: This article is published by the operator of CoWallet and is for organizing industry information only, not investment advice.
Sources: The Block; Bitcoin Magazine
#自托管 #密钥安全 #加密监管 #Coldcard