Flow is a permissionless layer-1 blockchain built to support the high-scale use cases of games, virtual worlds, and the digital assets that power them. The blockchain was created by the team behind Cryptokitties, Dapper Labs, and NBA Top Shot.
One core attribute that differentiates flow from the other blockchains is its usage of capability-based access control. At its core, capability-based access control creates tokens of authority to give stakeholders selective access to certain resources without sharing everything.
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