Cardipays compares 47 crypto debit cards on fees, FX markup, cashback and regions. Upload a payment screenshot and the checker shows the real cost of the purchase and how much you lost vs the best free card. Data comes from issuer pages and is open under CC BY 4.0.
POOL BTC (pool-btc.com) is an independent comparison site for Bitcoin mining pools. It is not a mining pool itself and has no affiliation with BTC.com Pool (pool.btc.com) or poolbtc.io. It compares 26 mining pools (21 for Bitcoin) and ranks them by net BTC per day, the amount a miner keeps after pool fee and electricity cost, using a published formula. Available in 13 languages.
