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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.

8 minute read

Ethereum Staking - How It Works

Staking in Ethereum is a key functionality. This article explains the main concepts behind it - BLS signature, slashing, Withdrawal address,...

9 minute read

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.

11 minute read