DEV Community

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.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Proxy Contracts and Upgradeability Risks: Storage Collision Analysis and Testing Strategies

Proxy Contracts and Upgradeability Risks: Storage Collision Analysis and Testing Strategies

1
Comments
14 min read
How 1,000 Wei Can Drain Protocol Fees: A Deep Dive into CoW Protocol Rounding Errors

How 1,000 Wei Can Drain Protocol Fees: A Deep Dive into CoW Protocol Rounding Errors

Comments
2 min read
How I built a stablecoin depeg monitoring API with Chainlink — median of medians across 1,500+ data points

How I built a stablecoin depeg monitoring API with Chainlink — median of medians across 1,500+ data points

Comments
2 min read
One URL for any agent runtime: the hosted Hashlock MCP endpoint

One URL for any agent runtime: the hosted Hashlock MCP endpoint

Comments
5 min read
Arc 1 Recap: Keypairs, Wallets, and Solana Fundamentals

Arc 1 Recap: Keypairs, Wallets, and Solana Fundamentals

3
Comments
9 min read
Building a Reflection Token on BSC with OpenZeppelin v5 — Architecture & Security Patterns

Building a Reflection Token on BSC with OpenZeppelin v5 — Architecture & Security Patterns

2
Comments
5 min read
How I built an AI agent that ships its own revenue endpoints as code

How I built an AI agent that ships its own revenue endpoints as code

Comments 1
2 min read
Shipping a $0.008-per-call AML API on x402 (and the CDP Bazaar bug we hit on launch day)

Shipping a $0.008-per-call AML API on x402 (and the CDP Bazaar bug we hit on launch day)

Comments
10 min read
Drained for $7.95 — How a Solana Phishing Attack Became a Multi-Chain AML Platform

Drained for $7.95 — How a Solana Phishing Attack Became a Multi-Chain AML Platform

Comments
6 min read
$5.3M Address Poisoning Network — 2 Months Later: The Follow-Up

$5.3M Address Poisoning Network — 2 Months Later: The Follow-Up

Comments
12 min read
$500 Challenge Drop

$500 Challenge Drop

7
Comments 1
1 min read
Building a Privacy-First URL Shortener on Blockchain

Building a Privacy-First URL Shortener on Blockchain

Comments
1 min read
We Built a 3-Layer Audit Trail (AI + GPS + Blockchain) to Eliminate Greenwashing in Ocean Conservation

We Built a 3-Layer Audit Trail (AI + GPS + Blockchain) to Eliminate Greenwashing in Ocean Conservation

1
Comments
4 min read
Snowflake Just Proved Why the Agent Economy Needs On-Chain Identity

Snowflake Just Proved Why the Agent Economy Needs On-Chain Identity

Comments
4 min read
How I Built a Crypto Payment System with web3.py — No Stripe, No Fees

How I Built a Crypto Payment System with web3.py — No Stripe, No Fees

Comments
2 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.