Onyxcoin (XCN) is, and always will be, native to the Ethereum blockchain. XCN is deployed on other blockchains through onchain bridging where one XCN is locked on the Ethereum blockchain and one is made availble or minted on a subsequent blockchain.
Contract Addresses
XCN on Ethereum (Native XCN): 0xA2cd3D43c775978A96BdBf12d733D5A1ED94fb18
XCN on Base: 0x9c632e6aaa3ea73f91554f8a3cb2ed2f29605e0c
XCN on Onyx Ledger: N/A
XCN on BNB Chain: 0x7324c7C0d95CEBC73eEa7E85CbAac0dBdf88a05b