RT: 1/ Throughout the years, we've achieved so much beyond what I imagined at the beginning. We've launched the first mainnet blockchain with PoS and sharding back in 2019. Effective-PoS was designed and launched in 2020 as one of the earliest staking mechanisms in a sharded chain.
RT：1/ 多年来，我们取得的成就远远超出我一开始的想象。我们早在 2019 年就推出了第一个具有 PoS 和分片的主网区块链。Effective-PoS 于 2020 年设计并推出，是分片链中最早的质押机制之一。