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++ + This section assumes "blockchain" already means something to you. If you're totally new, the key problem solved by blockhain is the ability for distributed, disparate entities to all agree on a rivalrous state of affairs (such as account balances or metadata associated with a URL). + +
++ The LBRY blockchain is a public and uses proof-of-work consensus. It is the foundation of the protocol stack. +
++ The most salient feature of the LBRY blockchain is the association of a normalized character string with up to 8KB of metadata. + This string of characters forms a LBRY URL, e.g. +
++ The LBRY blockchain contains two parallel [[Merkle Tree]]s, one for transactions (ala Bitcoin) and one for storing LBRY URLs and metadata. +
++ Conventionally, this metadata contains information about the content, such as the title and creator, the price (if any), and a unique signature allowing the actual content to be fetched from the data network, the next level in the LBRY stack. +
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