The native coin on Shardeum is called Shard, and its ticker symbol is SHM 
 . SHM serves as the foundational monetary unit of Shardeum and has a wide range of functions within the ecosystem 
. Each SHM is divisible to 18 digits, similar to ETH on the Ethereum network . The coin is used for various purposes, including paying gas fees associated with executing transfer transactions and smart contract execution on the Shardeum network