Lava is a PoC consensus public chain project based on UTXO. The mainnet launched on August 28, 2019. The Firestone mechanism is Lavas unique secondary (Sub-Layer) credential. Users can stake LV tokens to the system to obtain Firestones and receive double block rewards when mining in the next cycle. In terms of storage, it has pioneered the PoC2+ standard and plans to implement PoC3 next year. It has already incorporated "Confidential Assets" technology, making it a "PoC + CA + UTXO" project that enables private asset issuance and advances towards De-Fi.