Self-Custody No Shield: São Paulo Court Finds Coinbase Responsible for User's Hacked Wallet

A São Paulo state court has ordered Coinbase to reimburse a Brazilian user $100,000 in losses from a self-custody wallet hack, a ruling that could reshape how liability is assigned in the crypto industry. The case involved unauthorized transactions from a wallet linked to the exchange, according to news.bitcoin.com, even though Coinbase did not control the wallet's private keys.

news.bitcoin.comSão Paulo Court Rules Against Coinbase in Landmark Case Over $100K Self-Custody Hack

The decision directly challenges the long-held industry assumption that self-custody places all responsibility on the user. As thecosmicmeta.com reported, the ruling "challenges the prevailing crypto industry belief that self-custody equals sole user responsibility." "challenges the prevailing crypto industry belief that self-custody equals sole user responsibility." :: thecosmicmeta.com This marks a significant departure from standard practice, where exchanges have typically disclaimed liability for wallets they do not directly manage.

thecosmicmeta.comSão Paulo Court Orders Coinbase to Reimburse $100K in Self-Custody Hack Case

BitRss noted that the ruling "might establish a precedent for liabilities affecting companies providing self-custody tools, even if they are only involved as software providers." That language suggests that any firm offering wallet software or related services could face exposure if a user's funds are stolen, regardless of whether the company holds the keys. "might establish a precedent for liabilities affecting companies providing self-custody tools, even if they are only involved as software providers." :: BitRss Such a precedent would force exchanges and wallet developers to reassess their product designs and disclaimers in markets beyond Brazil.

BitRssSão Paulo Court Rules Against Coinbase in Landmark Case Over $100K Self-Custody Hack

The case also highlights Brazil's aggressive stance on crypto regulation. According to CoinSpectator, the judgment reflects the country's proactive judicial and regulatory approach to digital assets. As the global debate over exchange accountability intensifies, this São Paulo ruling may influence how courts in other jurisdictions treat similar disputes involving self-custodied funds.

CoinSpectatorSão Paulo Court Rules Against Coinbase in Landmark Case Over $100K Self-Custody Hack