#PI# Technical Positioning: The Core Basis of L1 Public Chain **
1. **Consensus Mechanism and Underlying Architecture**
- Pi adopts the **Federated Byzantine Agreement (FBA)** combined with the **Stellar Consensus Protocol (SCP)**, and independently optimizes it into the **PIOS consensus mechanism**, which supports high throughput and low energy consumption for transaction verification.
- Unlike traditional PoW/PoS, its mobile mining model lowers the participation threshold, aligning with the positioning of L1 public chains as a "decentralized infrastructure."
2. **Completion of the Four