Researchers propose Zcash-style private Bitcoin transfers without a soft fork

Shielded Bitcoin would use zero-knowledge proofs and encrypted notes to hide transaction details without changing Bitcoin consensus, but researchers have raised questions about anonymity and quantum resistance. Researchers at the cryptography research firm Alloc Init have proposed a system for bringing Zcash-style private transfers to Bitcoin without requiring a soft fork.  The proposal, called Shielded…

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KelpDAO sues LayerZero, CEO over $292M rsETH bridge exploit

KelpDAO says LayerZero endorsed its bridge setup before the attack, while CEO Bryan Pellegrino has dismissed the lawsuit as meritless. KelpDAO has filed a lawsuit against cross-chain protocol LayerZero following the roughly $292 million exploit of its rsETH bridge earlier this year, alleging that failures in LayerZero’s security infrastructure contributed to the attack. KelpDAO said…

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IBIT options price trading more calmly after Bitcoin rebound

IBIT’s expected volatility sits near the bottom of its 12-month range, according to Saxo Bank’s analysis of options data from Sept. 23. Options on BlackRock’s iShares Bitcoin Trust (IBIT) are pricing smaller swings than the fund experienced during Bitcoin’s recent rebound, according to Saxo Bank. IBIT’s implied volatility stood at 37.4%, compared with realized volatility…

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