A consensus mechanism is the set of rules that lets a blockchain's independent nodes agree on one shared history. It decides which transactions are valid and in what order they are recorded.
Finality is the point at which a blockchain transaction can no longer be reversed or reordered. Networks reach it through different mechanisms and at very different speeds.
Liquid staking lets holders stake tokens to help secure a proof-of-stake network while receiving a tradable token that represents the staked position. That receipt can be sold, lent or used as collateral.
Proof of stake is a consensus mechanism in which validators lock up the network's native token as collateral for the right to propose and confirm blocks.
A public blockchain lets anyone join, read and validate transactions, while a private blockchain restricts those rights to participants an operator approves. Public chains favour openness and decentralisation; private ones favour privacy, control and speed.
A blockchain is a shared, append-only digital ledger that many computers keep in sync without a central owner. Records are grouped into blocks linked by cryptography, which makes past entries very hard to alter.
A blockchain developer builds applications, smart contracts or core infrastructure on blockchain networks. The work ranges from protocol code to the services that connect users to chains, and hiring one makes sense when part of your product must run on a shared ledger.
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