A more secure digital storage for crypto assets. A vault is like a crypto wallet but has extra security features that let you delay a withdrawal contract by adding co-signatories. Hence, transactions made through a vault go through a delay and approval process and pends until all signatories approve it.
Staking
It’s a process where people use their tokens to contribute to rewarding block validation for a fixed period; it applies to Proof of stake (PoS)