Fantom, now known as Sonic Labs, is a Layer 1 project that uses a single consensus layer to support the creation of multiple execution chains. The network's independent consensus layer, called Lachesis, features a novel consensus mechanism developed by the Fantom Foundation dubbed the "Lachesis Protocol." Lachesis can provide security to multiple other layers, the first of which is Fantom's EVM-compatible smart contract chain called Opera. The project's goal is to host an ecosystem of execution layers while enabling them to feature fast and cost-efficient transactions derived from the benefits of the proprietary Lachesis Protocol.