Helium announced that it will migrate to the Solana network and plans to halt the Helium blockchain on April 19th at 00:00 Beijing time (April 18th, 16:00 UTC) for transition. During the transition period, users can still use the Helium network for coverage proof and data transmission, but cannot transfer tokens or interact with the Helium blockchain. It is important to note that hotspot owners and token holders do not need to take any action.