What Is a Gnosis Safe? A Developer's Look at the Multi-Sig Vault Wealtii Runs On.
Hey dev.to 👋 Every time I mention that Wealtii holds user funds in a Gnosis Safe multi-signature vault, I get some version of the same question back…
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Proof-of-Antiquity vs Proof-of-Stake: Why Hardware Diversity Beats Wealth Concentration
When Satoshi Nakamoto designed Bitcoin's Proof-of-Work consensus, the goal was simple: one CPU, one vote. What actually happened was very different.…
How to Validate Crypto Wallet Addresses Offline in Java
Crypto address validation is one of those small backend features that becomes important very quickly. If you are building a wallet, exchange flow, p…
Stop Hand-Rolling Your Arkham API Client: Meet arkham-go
Working with on-chain intelligence is rarely difficult because of a single HTTP request. The hard part is everything that surrounds the request: mod…
Grid Bot vs Concentrated Liquidity Pool Comparison | Real Test Results
I ran two strategies on the same price range: a grid trading bot on Pionex and a liquidity pool position on VFat (CL10, WETH/USDC on Base). Same ran…
The Safety Net That Isn't There
Two more bugs from live trading bot audits — where the protection looked real everywhere except in the one place that mattered. A stop-loss that fir…
Polyfills, Shims, and Native Modules: Lessons from Building a React Native Crypto Wallet
Preface: This article is about my experience building a crypto mobile wallet back in 2021. Intro Building a crypto wallet in React Native is a maste…
Introducing bitget-go: An Idiomatic Go SDK for Bitget UTA v3
Building a trading service in Go should mean spending time on execution logic, risk controls, and observability—not reimplementing request signature…
The ETF Changed Bitcoin's Four-Year Cycle, but It Did Not Create a Supercycle
Originally published by InvisibleHill Research . This cross-post preserves the original research cut-off and source list. Research cut-off: August 9…
I Built a Crypto-Native Craigslist with Manual Escrow — Here's Why and How
The Problem There are millions of people holding crypto who want to spend it on real things — hire a developer, buy a script, sell design work. But…
x402 designs out the intermediaries that produce your tax records
x402 lets software pay for things over HTTP. An agent calls a paid API, a fraction of a cent in USDC settles on-chain, the agent gets its data. No a…
Hackers steal over $130 million by exploiting bug in offline hardware wallets
A security vulnerability in the cryptocurrency hardware wallet Coldcard is allowing hackers to drain the crypto from victims’ wallets. The total los…
Coinbase’s Third Straight Loss Is More Than a Crypto Price Story
Coinbase reported a net loss of $359.5 million for the second quarter of 2026, marking its third consecutive quarter in the red. The headline number…
Payment Rail vs. Settlement Layer: What AEON's Coinbase x402 Partnership Actually Validates
Every few weeks the agent-economy infrastructure race produces a data point worth stopping for. This one: AEON, which raised an $8M pre-seed round l…
A Hardware Wallet Can Stay Offline and Still Create a Weak Seed
Hardware wallets are usually sold around one simple idea: keep the private key away from the internet, and you remove a large part of the risk. That…
Структурные аномалии базовых точек secpXXXk1: криптоанализ Биткоина и практическое моделирование в Google Colab
В данной статье в качестве криптоанализа Биткоина разберём вычислительный научный эксперимент, воспроизводящий и расширяющий наблюдение John Z…
Building Reliable Crypto Alerting Systems in Go: A Deep Dive into the whale-alert-go SDK
Tracking large cryptocurrency transactions—commonly known as "whales"—has become a crucial tool for traders, analysts, and blockchain researchers. T…
Satoshi's Presumed 1.1 Million Coins Have Never Moved. So Much for "First-Mover Advantage."
Written by Dex Calloway, resident contrarian at Bitcoin Institute, an archive of Bitcoin's primary sources. Hot take: Bitcoin's "digital gold" statu…
Погружаемся в пучины цифро-финансового безумия Думы РФ — обзор закона о криптовалюте
Ну вот оно и свершилось. Спустя 15 лет, и на 10 лет позже после мировых лидеров, наши чиновники родили не то сына, не то дочь, не мышонка, не лягушк…
Supercharge Your Algorithmic Trading with CoinQuant PHP: The Ultimate SDK for Laravel and PHP 8.1+
Are you tired of wrestling with raw cURL requests, parsing Server-Sent Events (SSE) by hand, and building complex polling loops just to interact wit…
Building High-Performance Crypto Trading Bots with Go: Meet phemex-go
If you are building a cryptocurrency trading bot, market maker, or data aggregator in Go, you already know that talking to an exchange's API should…
Week 14 in review: the agent economy's rails went official. The settlement seat is still empty.
Every Sunday we step back and map where the agent economy actually moved that week, and where the money still sits at risk. This week had a clear he…
Inside the sHUMINT Methodology: Part V — AI Still Carries Human Fingerprints
Parts I through IV established the architecture of sHUMINT: behavioral profiling, probing, consistency testing, and attribution. Each pillar operate…
FBI arrests man accused of using Steam games to drain victims’ crypto wallets
Prosecutors accused 21-year-old student Zyaire Wilkins of publishing on Steam several fake video games that contained malware, infecting thousands o…
Building a Confidential Cross-Chain Identity Protocol with Oasis Sapphire, ENS & Base
The biggest paradox in Web3 identity is that while we demand privacy in the real world, our on-chain infrastructure defaults to absolute transparenc…
Week 13: a second team is now running an AI agent on atomic HTLC swaps. Here is what that validates.
Title: Week 13: a second team is now running an AI agent on atomic HTLC swaps. Here is what that validates. Tags: mcp, ai, cryptocurrency, blockchai…
Lessons from building a Multi-Horizon Crypto Prediction System with Transformers
I started this project in January 2026 with a simple question: can a Transformer trained on technical indicators predict Bitcoin's direction better…
The week in review: agents got wallets, rails, marketplaces and escrow. They still don't have settlement.
If you only tracked one part of the agent economy this June, you'd have missed how fast the rest of the stack is being built. So here's a roundup, a…
Escrow with a judge vs atomic locks: where agent trades actually need each
In January, three researchers built a shopping agent on Google's Agent Payments Protocol (AP2), the standard designed to make agent-led purchases sa…
How to Accept Crypto Payments on WooCommerce (Without a Custodial Processor)
You built your WooCommerce store. You've got products, a checkout flow, and customers who want to pay in crypto. The question is: which payment gate…