The testnet “Wave 1” will be used for validators and full nodes to “improve decentralized coordination + incident response, and identify a core group of operators who have experience in deploying, monitoring, and debugging,” the company shared over Twitter. Sui has gained a lot of momentum over the past few months and is seen as a competitor to the Aptos blockchain – another layer 1 that was founded by ex-Meta employees. Aptos and Sui both use the same programming language called Move.