Terra is an open-source blockchain hosting a vibrant ecosystem of decentralized applications (dApps) and top-tier developer tools. It uses proof-of-stake consensus and ground-breaking technologies to provide an unparalleled DeFi experience. On May 25th, 2022, Terra Classic users passed governance proposal 1623, which outlined the genesis of a new Terra chain and the airdrop of Luna tokens to users. On May 27th, 2022, the phoenix-1 Terra mainnet launched. UST was an algorithmic stablecoin created by Terraform Labs which tied to Luna tokens but lost its peg and crashed, leading to the collapse of both Luna and UST.