Blockchain — Best Of

A hand-picked subset rather than a topic: the blockchain articles that hold up best as a starting point.

It includes the hardware wallet cryptography breakdowns, the fungible-token-across-chains study, the oracle build-it-yourself walkthrough, EIP deep dives such as EIP-6780, and the full RareSkills Solidity interview answer series from medium to advanced.

12 posts

Trezor Crypto Wallet – Cryptography and Security

This article presents the different types of crypto wallets (hot, warm, cold) and their associated risks

2024, Oct 15 —

Zero Knowledge Proofs with Bulletproof

Bulletproofs are efficient and compact zero-knowledge proofs. They're enhancing privacy and scalability in blockchain systems by reducing data size and verification time.

2024, Aug 13 —

Fungible Tokens across blockchains

Representation of fungible tokens in the various existing blockchains. On Ethereum, its largest representative is the ERC-20 standard.

2024, Jul 12 —

RareSkills Solidity Interview Answers - Advanced

Solidity Interview Questions - Advanced, answers from the article - Solidity Interview Questions- by RareSkills.

2024, May 06 —

How to build a blockchain oracle

This article presents the reasoning to build a blockchain oracle providing external information (e.g. price of an asset) to a smart contract.

2024, Apr 16 —

EIP-6780, selfdestruct, we won't miss you

The Ethereum Dencun upgrade introduces the EIP-6780 which updates the opcode selfdestruct to deactivates the destruction of the contract, except if the contract is destructed in the same transaction as created.

2024, Mar 13 —