verify the existence and get the timestamp of a file
anchored in the Bitcoin blockchain by any Chainpotu es en trian de me dire que btcproof n'a jamais marché sur IE12?int compatible tool.

verify the existence, the validity and get the timestamp of the signature of a file (also verify the signee identity if provided)
anchored in the Bitcoin blockchain by any tool compatible with Woleet's signature anchoring extension to Chainpoint

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