When using a public blockchain, virtually anyone in the world can access and read transactions. Furthermore, anyone in the world can send transactions and see them once they are valid and included in the blockchain. Finally, anyone can choose to participate in the consensus (validation) process to assist in authenticating transactions to determine which get added to the blockchain and to verify the current form and status of the blockchain. Using third-party blockchain explorers, the origins of a single asset can be tracked all the way back to its creation.
Public blockchains
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