Crypto Reef - Donate Crypto, build a virtual reef, support real reefs. 🐠
WeShelter - Unlock a donation when you pass a homeless person in NYC
Brightest - Spend your time better, help out anywhere, change the world
TAP London - Tackling the homeless problem together
Mining 4 Charity - Turn hashpower into good deeds
Catchafire - Use your professional skills to help charities