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Blockchain systems and methods for confirming presence

  • US 10,531,230 B2
  • Filed: 12/27/2018
  • Issued: 01/07/2020
  • Est. Priority Date: 09/16/2015
  • Status: Active Grant
First Claim
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1. A method for documenting the presence of a human and computing device at a particular place and time comprising:

  • providing a first set of one or more sensors disposed at a location and adapted to detect the presence of a human at said location;

    providing a second set of one or more sensors disposed at said location and adapted to detect the presence of a computing device at said location;

    providing a distributed ledger adapted to record timestamped records;

    detecting, using said first set of one or more sensors, a human present at said location;

    detecting, using said second set of one or more sensors, a computing device at said location;

    posting to said distributed ledger a timestamped record indicating said detected presence of said human at said location and said detected presence of said computing device at said locationwherein said posted timestamped record comprises data for confirming a transaction between a plurality of parties; and

    wherein said posted timestamped record is accessible to each party in said plurality of parties.

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