UBXN was originally launched on the Ethereum blockchain and is now also available on Solana and Binance smart chain. Here you can find a list of UBXN contract addresses for supported blockchains.
Ethereum ERC-20 Smart-Contract has the following address 0x7A73839bd0e5cdED853cB01aa9773F8989381065
BSC BEP-20 Smart-Contract has the following address
The UBXN smart contract has been audited multiple times. Please see "SC Audit" for those audits.