Since the beginning of August 2025, the American bank Salomon Brothers has started a mass mailing of notifications to owners of likely abandoned bitcoin addresses. This new scheme requires users to confirm ownership of the wallet within 90 days, citing disputed legal constructs. Notifications are sent via OP_RETURN — a blockchain mechanism that allows public markings. Users are asked to visit a website and fill out a form, raising concerns about the safety of personal data.
Experts warn: providing information may lead to risks, as technically foreign $BTC cannot be claimed without private keys. However, attempts to declare assets 'ownerless' through judicial instances create a dangerous precedent. Head of Naoris Protocol David Carvalho called the bank's actions the use of blockchain as a 'notice board,' undermining its decentralization. Such notifications currently have no legal force, but they may complicate the lives of real owners in the future.
Experts advise keeping private keys secure and ignoring suspicious requests. This situation highlights the importance of vigilance in the crypto world, where new schemes may threaten the rights of owners.
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