The Technical Concepts Behind the 2019 Crypto Hacks

What a smart-contract developer needs to follow the 2019 hacks: fake deposits, EOS rollbacks and random seeds, XRP partial payments, 0x return data.

2026, Oct 07   —  22 minute read

Crypto Hacks of 2018 - Coincheck, BitGrail and the Year of Exchange Breaches

About $950M was stolen from crypto exchanges and infrastructure in 2018 (CipherTrace). Coincheck lost ~$534M in NEM; token overflow bugs minted billions.

2026, Oct 07   —  20 minute read

The Technical Concepts Behind the 2018 Crypto Hacks

What a Solidity developer needs to follow the 2018 hacks: BEC and SMT overflows, SpankChain reentrancy, Fomo3D randomness, hot wallets, 51% and BGP attacks.

2026, Oct 07   —  20 minute read

Crypto Hacks of 2017 - Parity, NiceHash, Tether and the ICO Boom

About $266M was stolen from crypto exchanges in 2017 (CipherTrace). Parity's multisig lost ~$31M, NiceHash ~$64M, and ICO sites were hijacked during sales.

2026, Oct 07   —  16 minute read

The Technical Concepts Behind the 2017 Crypto Hacks

What a Solidity developer needs to follow the 2017 hacks: Parity's delegatecall wallets and self-destructed library, blockhash limits, ICO front ends.

2026, Oct 07   —  16 minute read

Crypto Hacks of September 2026 - Bitget, Liquid Network and 50 Smaller Incidents

September 2026 lost about $766M to 55 crypto hacks. Bitget (~$387.5M) and Liquid (~$320M) made up 92%; the rest were key leaks, bridge bugs and oracle abuse.

2026, Oct 06   —  39 minute read

MiCA in Eleven Cards — The Definitions to Memorise

Eleven MiCA flashcards: crypto-asset, EMT, ART, utility token, white paper, CASP, passport, significant token and market abuse, with a revision table.

2026, Oct 05   —  10 minute read