What is a Stellar RPC Node?
Access payments-focused blockchain
A Stellar node (via Horizon API) provides applications with access to a blockchain specifically designed for payments. Unlike general-purpose blockchains, Stellar optimizes for currency exchange, cross-border transfers, and financial inclusion — enabling instant settlement of any currency pair with minimal fees.
Why Stellar for payments
Traditional cross-border payments are slow (days) and expensive (5-10% fees). Stellar enables instant settlement (3-5 seconds) with near-zero fees. The network's native multi-currency pathfinding automatically finds optimal exchange routes, making it trivial to send USD, receive EUR, or convert between any assets on the network.
Stellar advantages:
- Payment-focused — built for money transfer
- Instant settlement — 3-5 second finality
- Near-zero fees — $0.000001 per transaction
- Multi-currency — native support for any asset
- Built-in DEX — automatic pathfinding and exchange
- Proven scale — billions in real-world volume
Stellar Consensus Protocol
Stellar uses SCP (Stellar Consensus Protocol) — a Federated Byzantine Agreement (FBA) system where nodes choose which other nodes to trust. This creates a decentralized network without mining or staking, achieving consensus through mathematical proof while maintaining fast finality and low energy consumption.
How Stellar works:
- Users submit payment transactions
- Validators reach consensus through SCP
- Network finalizes transactions in 3-5 seconds
- Multi-currency pathfinding finds optimal routes
- Settlement completes with minimal fees
Real-world adoption
Stellar powers real payment systems: MoneyGram uses Stellar for remittances, Circle issues USDC on Stellar, Franklin Templeton tokenized a money market fund on Stellar. This isn't theoretical — Stellar processes billions in actual payment volume serving millions of users.
The network's compliance-friendly design and payment focus make it the go-to blockchain for financial institutions entering crypto.