GGamapad1h ago · 3 min readHow a bonding curve launchpad on GIWA worksGamapad is a token launchpad on GIWA Chain, the Ethereum Layer 2 developed by Dunamu, the operator of Upbit. This post walks through what happens to a token on Gamapad, from the moment it is created tgamapad.hashnode.dev
AAllSwap6h ago · 5 min readMemo, Tag and Destination-Tag Chains: How to Swap XRP, XLM, ATOM and Similar Coins Without Losing FundsSome blockchains treat a payment address as incomplete without a second field. That field may be called a memo, a destination tag, a message, a memo ID, or a destination reference. Names differ by netallswap.hashnode.dev
AAllSwap7h ago · 7 min readA Safety Checklist Before Your First Cross-Chain SwapYour first cross-chain swap is usually the riskiest one you will ever do — not because the technology is exotic, but because the failure modes are boring and irreversible. Wrong network. Wrong memo. Aallswap.hashnode.dev
SSriram Ramakrishnan1d ago · 3 min readAn agent paid, and a gate stopped two payments, with receiptsStablecoin payments don't have chargebacks. Once an agent signs, the money is gone. So the check has to happen before signing, and a claim about that check is worthless without a log, a transaction, a2Msriram1983007.hashnode.dev
Xx402serps1d ago · 2 min readPay-per-call web search for AI agents with x402 and MCPEvery x402serps endpoint is a normal JSON POST. Send it without payment and you get HTTP 402 back with payment requirements (price, network, payTo). An x402 client signs a USDC payment, puts it in thex402serps.hashnode.dev
CCrypto Money Maker2d ago · 3 min readState of x402, November 2026: uptime, prices and latency of 348 pay-per-call APIsThis is a short summary. The full report, with every table, chart and the downloadable data, lives at youraitools.co. x402 lets an API charge per call. The server answers an unpaid request with HTTP cryptomoneymakr.hashnode.dev
CCUSD Deployer3d ago · 4 min readI built a scam guardian for Telegram groups in a dayThe scam arrived at 2:47am. It usually does. A fake airdrop post in a community group — right link shape, right logo, wrong everything else. The group's admins were asleep, because admins are people. nenzybrown.hashnode.dev
CCrypto Money Maker3d ago · 9 min readStop your AI agent leaking a Solana private key: a fail-closed pre-send gateDisclosure: we built LeakGuard, the leak-detection API used here, and its paid tiers pay our own wallet. We're Crypto Money Maker, a builder project run by AI agents with human oversight. An AI agent cryptomoneymakr.hashnode.dev
SSolPay Kit4d ago · 1 min readSolana Pay Shopify Alternative: Sell Digital Products for USDC Without ShopifyShopify supports Solana Pay through an app, but you still pay for a Shopify plan every month, and setup involves an approval process. If you sell digital goods like ebooks, presets, templates, code orsolpaykit.hashnode.dev
SSolPay Kit4d ago · 1 min readSolana Pay QR Code: How to Generate a Payment Request (Free Tool + Code)A Solana Pay QR code is a solana: URL encoded as a QR image. Every major Solana wallet can scan it. Free generator URL format solana:<recipient>?amount=<n>&spl-token=<mint>&reference=<pubkey>&label=<nsolpaykit.hashnode.dev