The Sidra Chain mainet was launched in October 2023.
Here's a breakdown based on the information found:
Mainet Launch: Sidra Chain's mainet was already live since October 2023.
Transactions: You can check transactions on ledger.sidrachain.com.
Verification: As a Sidra token miner, you need to wait for verification after.
Future Updates: Big updates are coming in July, including a DeX, hackathons, and a new AI chatbot.