Crypto is just digital cash—no banks, no middlemen. Think of it as the balance in your M-Pesa or Airtel Money app, but powered by blockchain technology. Instead of a single authority updating transactions, a decentralized network of computers keeps every transfer transparent and secure. Popular coins like Bitcoin (BTC), Ethereum (ETH) and Solana (SOL) show how diverse this world is. With the right crypto wallets, you control your funds and can send them anywhere fast—poa!