A clear, practical guide to paying and getting paid online—cards, wallets, bank-to-bank rails, fraud, fees, and the checkout choices that actually work.
Blockchains are changing shape. Learn how modular stacks, restaking, and intent-based systems unlock speed, safety, and usable apps without the headaches.
Apps that work offline, sync without drama, and feel instant are finally within reach. Here’s how local‑first design, CRDTs, and smart sync make it happen.