Four months ago we picked the first four chains for Tip.md by asking a single question: where are developers already receiving value, and how fast can we move it? Ethereum gave us liquidity, Base gave us low fees, Solana gave us speed, Lightning gave us Bitcoin. The fifth chain had to close a different gap: mobile money outside the G7. Celo, the Ethereum Layer-2 built for the real-world and designed for fast, low cost transactions worldwide fit.Why Celo, why nowGas below $0.01A one-dollar tip...