vBNT is Bancor's governance token which is issued to users who stake BNT in Bancor liquidity pools.
To participate in Bancor governance activities, users need to first stake their vBNT tokens.
bnBNT is pool token given to to users who stake BNT on Bancor 3, that represent the pool’s liquidity, which auto-compounds fees and rewards.
Pool tokens can be staked to earn bonus rewards, or other use cases upon integrations with other token projects, such as native staking, lending, etc