https://xrptundra.com/
Buy TUNDRA-S Dual Token Presale | XRP Tundra Cross-Chain Crypto Investment
Join XRP Tundra’s unique presale. Buy TUNDRA-S on Solana and receive TUNDRA-X on XRP Ledger free. Dual blockchain access with high yield staking and governance.
dual tokencross chain
https://eips.ethereum.org/EIPS/eip-6960
ERC-6960: Dual Layer Token
Token with a two-level classification system using mainId and subId
dual layererctoken