Changelog
What changed, and when.
Newest first. Corrections to figures or methods are listed with the date they went live.
The desk gets its own front page
CheapestChain moves off the shared template onto a printed-page design of its own, adds per-page share images, schema.org Dataset markup for the fee snapshot, a nonce-based Content Security Policy, rate limiting on the public API, and about, methodology and contact pages.
Price fallbacks
USD prices now come from Coinbase first, then Kraken, CoinGecko and Binance for anything missing, so TRX and other assets Coinbase does not quote stay priced.
CheapestChain launches
Live transfer fees for USDT on Tron, Solana, BNB Smart Chain, Polygon, Arbitrum and Ethereum, plus native Bitcoin, Litecoin and Ether sends, read from the networks at request time. Free JSON at /api/fees. Country guides for Nigeria, South Africa and New Zealand.