Threshold told users not to send $BTC to previously generated deposit addresses or resubmit pending transactions. Once the interface returns, users should start a new deposit rather than reuse an old address.
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The tBTC bridge lets Bitcoin holders use their $BTC in DeFi, with deposited Bitcoin secured by groups of network operators. Threshold paused new deposits, minting and Bitcoin redemption requests on Oct. 30; holding and transferring tBTC were unaffected.
In its Nov. 2 security update, Threshold said all tBTC nodes were either patched or offline as operators addressed a Linux kernel vulnerability. Bridge wallets require a majority of independent operators to sign Bitcoin transactions, it said.
Threshold again said tBTC remained fully backed. Its explorer displayed 4,320.46 $BTC in bridge wallets, while Etherscan showed an Ethereum token supply of about 4,185.17 tBTC during reporting.
Aave Freeze Remains
Aave’s Ethereum Core tBTC reserve remained frozen, with about $119.9 million supplied, according to its interface. Aave froze the reserve on Oct. 31 following the bridge pause.
The freeze blocks new tBTC deposits and additional borrowing against the token, but repayments, withdrawals and liquidations continue, according to Aave risk service provider LlamaRisk. The freeze itself does not change existing positions’ health factors or make them liquidatable, it said.
The bridge restart does not itself lift those lending restrictions. LlamaRisk said it would propose restorative measures once it has assurance that tBTC operations have returned to normal.
