Tech
Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million
Galaxy Research flagged a third wave of sweeps tied to weak Coldcard-generated keys, with the attacker now targeting smaller balances and changing how funds are collected onchain.

Solana Foundation's new CISO warns AI is making crypto scams more convincing
Michael Coates, the foundation’s new CISO, said that AI vulnerabilities and fake identities will drive the next wave of blockchain security concerns.

XRP Ledger upgrade brings back features once pulled over critical bugs
The xrpld 3.3.0 release is expected next week with five proposed amendments, including two revised features that were previously withdrawn after researchers found bugs that could have allowed unauthorized transactions or fee draining.

More from Tech
Live updates: Bitcoin holds above $64,000 as Nasdaq surges on AI trade comeback
The Nasdaq gained more than 2%, with Microsoft higher by 15% after its cloud unit grew at the fastest pace in four years while it held the line on spending.

Bitcoin's quantum plan assumes some algorithms break. AI just weakened one in 60 hours
The HAWK system isn't deployed anywhere, and Bitcoin doesn't use it. But is sitting in the same quantum race that Bitcoin developers are scrambling to finish.

As crypto perpetual futures boom, Ethereum’s role is shifting
Rather than competing directly with faster chains, some builders argue Ethereum's strength lies in supporting the layer-2 networks where trading is taking place.

Ethereum Foundation names pcaversaccio to board amid leadership changes
pcaversaccio (known as "pc"), is a prominent security researcher in the Ethereum ecosystem. His addition brings the foundation's board to four members.

About $80 million ZEC crosses into Zcash's new Ironwood pool in the first day
Roughly 5% of the funds in the retired Orchard pool have gone through the turnstile. The rest sit in a pool that can no longer take deposits.




