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.
Mine Bitcoin at Home: ASIC Setup in 10 Steps [2026]
Bitcoin’s network difficulty sat at roughly 127.45T in mid-September 2026, with total network hashrate hovering just under one zettahash per second depending on which dashboard you check. That…
Base L2 Tops $14.4B TVL on Just $8,800 in ETH Fees [2026]
Base, the Ethereum layer 2 network incubated by Coinbase, closed out the 30 days ending September 7, 2026 as the largest rollup in crypto by total value locked.…
Sandwich Attack Testing: 12 Foundry Steps, $60M Lost [2026]
A sandwich attack is one of the few DeFi exploits that doesn’t need a bug. It works perfectly against a contract with flawless logic, because it targets the…
Tether Audit Confirms $6.8B, Buffer Halves in Q2 [2026]
Tether spent a decade fielding the same question: where is the money, really. On August 17, 2026, the company finally handed over an answer that came with a…
Trezor Safe 7 TROPIC01 Flaw: Lock Down in 12 Steps [2026]
In June 2026, Ledger’s in-house security team, Donjon, published a laser fault injection attack against the TROPIC01 chip inside every Trezor Safe 7, one of the more closely…
Symbiosis Bug Mints $46B Fake BTC, Nets $336K [2026]
A cross-chain bridge just proved how much fake money a single bug can create, and how little of it actually matters once the attacker tries to cash out.…
Run a Bitcoin Lightning Node: LND Setup in 12 Steps [2026]
Running your own Bitcoin Lightning node used to be a hobbyist flex. In 2026 it is closer to a security decision. The public Lightning graph is thinning (roughly…
Hemi Reentrancy Bug Drains 124.5M Tokens for $255K [2026]
A ten-year-old bug just resurfaced on a Bitcoin layer-2 network, and it barely made a dent. On September 7, 2026, an attacker drained 124.5 million HEMI tokens from…
Bitcoin Multisig Wallet Setup With Sparrow: 12 Steps [2026]
A single hardware wallet protects you from remote hackers. It does nothing if you drop it in a house fire, lose the seed phrase, or get hit by…
21 Banks Plan Dollar Stablecoin as Rules Tighten [2026]
Twenty-one of the world’s largest banks and asset managers, including Goldman Sachs, Citi, Bank of America, Deutsche Bank and UBS, said on September 1, 2026 that they will…
