Avalanche® is an open-source platform for launching decentralized finance applications and enterprise blockchain deployments in one interoperable, highly scalable ecosystem. Avalanche uses Proof-of-Stake, which allows tens of thousands of validators to have a first-hand say in the system while consuming minimal energy.
Avalanche is powered by the Avalanche consensus protocol; for specific use-cases on Avalanche, the platform is made to be totally-ordered and linear; this totally-ordered protocol is known as the Snowman consensus protocol.
Avalanche was designed to be customizable, scalable, and interoperable. Everything on Avalanche is a Subnet, and every chain is part of a Subnet. Validators are required to be a member of the Primary Network; all other Subnets are optional. The Primary Network contains three blockchains:
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