Multisig vs Threshold Signatures: The Battle for Crypto’s Safest Custody ModelÂ
Private key management in the Web3 ecosystem is no longer a purely technical matter; it is now the strategic backbone of any financial operation. The signature
security (Latest Publications)
$31M Transfer From a 2013 Wallet Highlights a Growing Pattern of Dormant Bitcoin Holders Moving Coins
A Bitcoin wallet inactive since 2013 moved 500 BTC, equivalent to $31.3 million; the transaction was detected by on-chain tracker Whale Alert on Monday, August 3.
Aptos Pushes Privacy Forward With Confidential APT and Opt‑In Encryption for User Balances
TL;DR Aptos launched Confidential APT on its mainnet, a feature that encrypts balances and transaction amounts using zero-knowledge proofs. Wallet addresses remain visible on the network,
Coldcard Warns Holders to Relocate Funds Amid Ongoing Exploit; OKX Sees Record BTC Deposits
TL;DR The Coldcard vulnerability, active in a 2021 firmware, has accumulated losses of up to $114 million drained from self-custody wallets. The Mk3, Mk4, Mk5 and
Galaxy Digital: Coldcard Losses Blow Past $100M After 1,596 BTC Stolen Across 17 Attack Waves
TL;DR Galaxy Research identified 1,596 BTC stolen from 7,300 addresses across three confirmed waves linked to a vulnerability in Coldcard. An unconfirmed fourth wave would bring
Coldcard Bug Went Unnoticed for Half a Decade, Highlighting a Critical Miss in Wallet Audits
TL;DR: A flaw in Coldcard’s random number generator went undetected for five years and has already compromised nearly $90 million in Bitcoin. Kraken’s chief security officer
Coinbase outlines post‑quantum strategy, cutting through hype to reassure customers
TL;DR Coinbase has launched a post-quantum custody system, PQ-CoreKMS, which will protect 99.9% of the assets under its custody. The company co-founded the Bitcoin Security Consortium
Three protocols hit in rapid‑fire exploits, losing over $35 million
TL;DR An exploit targeting AFX Trade, a perpetuals exchange on Arbitrum, drained $24.15 million from its USDC custody bridge. The protocol offered the attacker the option
CertiK Warns Crypto Wrench Attacks Are Escalating as Criminals Chase Larger Fortunes
In its latest report, blockchain security firm CertiK revealed that physical or brute-force attacks against cryptocurrency investors reached 52 incidents during the first half of the
DIA unveils ZK system delivering verifiable offchain data for onchain assets
TL;DR DIA launched DIA ZK, an offchain data verification layer that generates cryptographic proofs verifiable directly on the blockchain. The system uses zkTLS, trusted execution environments
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