Cryptocurrency
Blockchain hashing, wallets and on-chain incidents. Clear-eyed coverage of how crypto works under the hood, the security trade-offs, and the hacks and exploits worth learning from.
Hardware Wallet as a FIDO2 Key: 12 Steps, 40 Min [2026]
A Trezor or Ledger sitting on your desk already does one job well: it keeps your private keys off the internet. Firmware from both vendors now lets that…
Liquid Network Bitcoin Hack: 85% of $320M Returned [2026]
A Bitcoin sidechain that banks and exchanges trust to move money quietly in the background just proved how much can go wrong when “quiet” also means “under-audited.” On…
Verify a Stablecoin’s $184B in Reserves: 12 Steps [2026]
Tether’s Q2 2026 attestation put total assets at roughly $187.75 billion against $184.6 billion in outstanding USDT, a buffer of about $3.15 billion, or 1.71%. Circle reported that…
Bitget Confirms $351.6M Hack, 2026’s Biggest [2026]
A crypto exchange lost more than a third of a billion dollars on Thursday, and by Friday morning traders had mostly shrugged it off. Bitget confirmed that $351.6…
Self-Custody Wallet Setup: 12 Steps, 90 Minutes [2026]
Bybit lost roughly $1.5 billion in ETH and staked-ether assets in one of the largest exchange hacks on record, an attack U.S. authorities later tied to North Korea’s…
Cosmos EVM Bug Drains 6 Chains, Missed 4 Months [2026]
A bug that Cosmos Labs decided in May 2026 was not worth telling anyone about ended up draining six blockchains in the span of five days. The flaw,…
Cross-Chain Bridge Exploit Testing: 12 Foundry Steps [2026]
Three cross-chain bridges lost a combined nine figures in 2026, and none of the exploits involved a broken cryptographic primitive. Nomic’s forwarding logic let an attacker double-spend Bitcoin…
LDK, Core Lightning, Eclair Patch Bugs in 5 Days [2026]
Three separate teams that build the software running Bitcoin’s Lightning Network shipped critical security patches inside the same two-week stretch this month. Lightning Development Kit (LDK), Core Lightning…
Truncation Bug Testing: 12 Foundry Steps, $1.7M Lost [2026]
Solidity has caught raw integer overflow since version 0.8.0. That fixed the easy bugs. It did nothing for the harder ones: truncation from unsafe downcasts, division-order mistakes that…
MEV-Boost Setup: 12 Steps, Up to 1% More Yield [2026]
Run an Ethereum validator without MEV-Boost and you leave money on the table. Every block your validator proposes without it goes through local building only, which means you…
