Layer 1 Solution Flare posted on the X platform that to qualify for FAssets Retro Aridrop, you need to participate in the Open Beta project of Coston, as well as the upcoming Open Beta beta on Songbird and Flare. FAssets is a cross-chain solution developed by Flare Labs specifically for Flare, allowing tokens on non-smart contract chains (e.g. BTC, DOGE, XRP) to be used securely in smart contracts on Flare without relying on trust.