Running on Devnet

# save as minimal-example.ts
node -v                 # ensure >= 18
npm i @rlock/cpsr-sdk @solana/web3.js tsx
RPC_URL=https://api.devnet.solana.com npx tsx minimal-example.ts

Expected shape

Signature: 3abc...xyz
Explorer: https://explorer.solana.com/tx/3abc...xyz?cluster=devnet

Warning: Airdrops may be rate limited. See Troubleshooting → Devnet Limits & Faucet.