Rejuve.AI has published $RJV contract addresses on all supported networks:
ERC20: 0x02c3296C6eb50249f290AE596F2bE9454bFfadaB
ADA: 8cfd6893f5f6c1cc954cec1a0a1460841b74da6e7803820dde62bb78
BEP20: 0x1135883a1bc6776bf90c97845adc491922106dfb
StepChain: 0x264c1383EA520f73dd837F915ef3a732e204a493
The Ethereum - Cardano bridge for $RJV will be available a little later than the coin's launch in networks, which will happen on March 16 at 12:00 (UTC).