Yuga Labs co-founder Garga.eth announced that the second testnet for ApeChain, named 'Curtis,' will go live in May, following the 'Jenkins' testnet in April. Additionally, the mainnet for ApeChain is scheduled to launch later this summer. ApeChain is a Layer 3 network based on ApeCoin, developed through the collaborative efforts of Horizen, Caldera, and Arbitrum.