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Blockchain

A decentralized, distributed, and oftentimes public, digital ledger consisting of records called blocks that are used to record transactions across many computers so that any involved block cannot be altered retroactively, without the alteration of all subsequent blocks.

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Web3: O Guia Completo da Internet Descentralizada e o Futuro Digital [PT-BR]

Web3: O Guia Completo da Internet Descentralizada e o Futuro Digital [PT-BR]

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4 min read
KYC-Gated Dividend Distribution Contracts on Redbelly

KYC-Gated Dividend Distribution Contracts on Redbelly

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5 min read
I built an AI agent that proves a crypto wallet is hacked — on Qwen Cloud

I built an AI agent that proves a crypto wallet is hacked — on Qwen Cloud

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4 min read
Migrating Off Blocknative's Gas API Before June 19: A Code-Level Guide

Migrating Off Blocknative's Gas API Before June 19: A Code-Level Guide

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3 min read
Solana: Can You Own Something You're Not Allowed to Sell?

Solana: Can You Own Something You're Not Allowed to Sell?

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3 min read
탈중앙화의 아킬레스건: 디파이 프로토콜의 고질적인 취약점 파헤치기

탈중앙화의 아킬레스건: 디파이 프로토콜의 고질적인 취약점 파헤치기

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1 min read
ShadowFeed Weekly #1: IronWorm npm Attack, $36M Humanity Protocol Hack, Microsoft Repos Compromised

ShadowFeed Weekly #1: IronWorm npm Attack, $36M Humanity Protocol Hack, Microsoft Repos Compromised

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3 min read
Auditing a Contract With No Source Code: Reading EVM Bytecode

Auditing a Contract With No Source Code: Reading EVM Bytecode

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7 min read
Access Control Bugs: The #1 Cause of Smart Contract Hacks This Year

Access Control Bugs: The #1 Cause of Smart Contract Hacks This Year

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6 min read
Creating a MiniDex

Creating a MiniDex

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16 min read
Blocks, the Blockchain, and Nodes: How Bitcoin Actually Agrees on Anything

Blocks, the Blockchain, and Nodes: How Bitcoin Actually Agrees on Anything

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5 min read
How do web3 Hardware wallets work?

How do web3 Hardware wallets work?

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5 min read
How to Secure WooCommerce Product Origin on Polygon with Zero Gas Fees

How to Secure WooCommerce Product Origin on Polygon with Zero Gas Fees

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4 min read
We built x402 middleware before the hyperscalers fragmented the standard

We built x402 middleware before the hyperscalers fragmented the standard

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1 min read
# I Built the First On-Chain Credit Standard for XRPL — and a Grant System That Pays People Directly

# I Built the First On-Chain Credit Standard for XRPL — and a Grant System That Pays People Directly

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4 min read
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