Blockchain
Every post tagged "Blockchain" · articles, case studies, guides.
- 01→
The 2026 smart contract security checklist before you ship
A smart-contract bug is permanent and the funds are real. Here's the engineering checklist a contract should clear before it touches mainnet - exploit classes, real testing, the audit, and a careful deploy.
Blockchain & smart contracts - 02→
Blockchain Without the Hype: Where It Actually Helps
Strip away the speculation and blockchain does one useful thing: it makes a record nobody can quietly change. Here's where that's worth paying for - and where a plain database wins.
Blockchain & smart contracts - 03→
Smart contract audit pricing in 2026: €4k vs €15k vs €60k
Most "audit" quotes range from €1k to €120k for the same 600-line Solidity file. Here's what actually justifies each tier - and which numbers are theatre.
Blockchain & smart contracts · Cybersecurity - 04→
Solana smart contract gotchas every Anchor dev hits in 2026
Solana is not Ethereum-with-better-TPS. Seven differences that bite every team coming from EVM.
Blockchain & smart contracts - 05→
EIP-712 meta-transactions: secure gasless UX, explained
Gasless UX is a product win. Meta-tx relayers are a security surface. Here's how to ship both safely.
Blockchain & smart contracts · Cybersecurity - 06→
Foundry invariant testing · patterns we use on every audit
Eight invariant patterns worth stealing · we run these on every audit and they keep finding real bugs.
Blockchain & smart contracts · Cybersecurity - 07→
Solidity gas optimization: 16 patterns we use on audits
Sixteen gas patterns, ranked by real-world impact on the contracts we audited in 2025.
Blockchain & smart contracts - 08→
Smart contract audit checklist · the one we actually use
A checklist for the last days before mainnet: threat model, tests, fuzz, deploy, monitor · 30+ items we never skip.
Blockchain & smart contracts · Cybersecurity
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