You can find the 4 Year NXRA Campaign on https://allianceblock.defiterm.io/staking/active
All other Staking Campaigns are already expired.
You can claim NXRA tokens from the 2 Year NXRA Campaign on https://allianceblock.defiterm.io/staking/expired
Did you participate in a Staking Campaign which has been expired before 1st of February 2023? Please go to claim.allianceblock.io and follow this step to step guide:
AllianceBlock Nexera Token Distribution Portal Guide