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.

Reentrancy Testing: Slither + Foundry Catch Bugs in 12 Steps [2026]

A DeFi protocol loses money to a reentrancy bug almost every month in 2026, and the pattern barely changes. GMX V1 lost $42 million in July 2025 to…
By Marcus Bell · Aug 28, 2026

Trezor, SafePal Breaches Expose 53,487 Wallet Owners [2026]

Trezor told 13,689 customers on August 13, 2026 that their names, home addresses, phone numbers, and email addresses had leaked. Not because anyone breached Trezor’s servers. Not because…
By Dr. Heinrich Vogel · Aug 28, 2026

Self-Custody Crypto Wallet Setup: 12 Steps, 90 Min [2026]

Exchange hacks did not slow down in 2026, they compounded. Coinsbuy lost more than $8 million on August 9. Term Labs lost $8.5 million to a governance exploit…
By Ryan Cole · Aug 28, 2026

Term Finance Loses $8.5M as August DeFi Hacks Hit 17 [2026]

A DeFi lending protocol called Term Finance lost roughly $8.5 million in a governance attack on August 24, 2026, after an attacker seized control of its on-chain voting…
By Ryan Cole · Aug 28, 2026

Layer 2 Scaling Setup: Cut Gas Fees 99%, 12 Steps [2026]

Ethereum mainnet gas fees can still hit several dollars for a routine swap during busy hours. Layer 2 rollups like Base, Arbitrum, and Optimism now handle the same…
By Daniel Roth · Aug 28, 2026

Sandbox Bridge Exploit Mints 14.9B SAND, $49B Face Value [2026]

An attacker minted roughly 14.9 billion unbacked SAND tokens across two wallet addresses this week, exploiting a cross-chain bridge that connects The Sandbox metaverse platform to Base and…
By Priya Anand · Aug 28, 2026

Verify Stablecoin Reserves: 10 Steps, 45 Min [2026]

On August 13, 2026, Tether announced that KPMG U.S. had finished the company’s first full independent audit, an unqualified opinion covering fiscal year 2025. Reserves beat liabilities by…
By Tom Vance · Aug 28, 2026

Tether’s First Audit: KPMG Confirms $6.8B Surplus [2026]

Tether spent more than a decade fending off questions about what actually backs its stablecoin. On August 13, 2026, the company handed over an answer that carries real…
By Tom Vance · Aug 28, 2026

Solo Bitcoin Mining Setup: 12 Steps, 45 Min [2026]

Bitcoin’s network hashrate sat around 920 EH/s in mid-August 2026, according to Hashrate Index’s August 17 roundup, with difficulty at 127.48T after the August 8 adjustment. Those numbers…
By Tom Vance · Aug 23, 2026

Boltz Founders Quit 10 Days After AI Bridge Shutdown [2026]

Boltz, the open-source bridge that lets Bitcoin holders swap between the mainchain, the Lightning Network, and the Liquid sidechain, went dark on August 3, 2026. The non-custodial service…
By Dr. Heinrich Vogel · Aug 28, 2026

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