The AI Agent Payment Wars Have Begun — Here's What Actually Matters
Visa announced this week that AI agents can now use credit cards. Mastercard launched a protocol for AI-to-AI payments and micropayments. Catena Labs …
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The Fee Assumption Quietly Wrong in Most Backtests
If you've written a crypto backtester, there's a decent chance one line in it is quietly wrong. It's not the slippage model, not the funding rate, not…
We automated the easy half of trading and called it a trader
Here's the part everyone keeps skipping. The AI-agent trading boom is not a scam, and it is not vaporware. There are agents in production right now si…
Keep the Credit Ledger Off-Chain. Checkpoint It On-Chain.
I specced an on-chain credit ledger for a compute network, wrote the mint, and then the token program refused to initialize it. The two extensions I n…
What it takes to run a Polymarket Up/Down arbitrage bot in production
A "risk-free" arbitrage on Polymarket's crypto Up/Down markets is easy to describe and hard to actually run. The edge — the cross-cycle sandwich — is …
The "AI Quant Bot" Mirage: Inside the Polymarket Copytrade Scam Network Flooding Crypto Twitter
An investigation into a coordinated cluster of verified X accounts manufacturing fake trading "success stories" to funnel victims into Telegram draine…
Web3 Onboarding Is Not a Wallet Problem. It Is a Trust Problem.
Most Web3 onboarding advice starts in the same place: Make wallet connection easier. That is useful, but incomplete. Wallet connection is only the fir…
I Built a Pay-Per-Call Crypto Signal API with x402 — Heres the Architecture
I Built a Pay-Per-Call Crypto Signal API with x402 — Here's the Architecture TL;DR: I shipped a live crypto signal API where every call costs $0.01 in…
What I learned scraping 141 crypto cardholder agreements
On 3 February 2026, three unrelated crypto cards — CEX.IO Card, Trustee Plus, and IN1 — stopped processing payments on the same day. They had no paren…
Best Product Analytics Tools for DeFi Teams
Key Takeaways DeFi product analytics requires onchain and offchain data integration because the blockchain records smart contract interactions that tr…