Patent application EP17153843A (EP), filed 2017-01-30
Publication number: EP3247070A1
Title: CRYPTOCURRENCY-BASED EVENT PARTICIPATION VERIFICATION
Abstract: A method of participation verification includes generating sets of cryptocurrency coins (coin sets). The coin sets have cryptocurrency coins and correlate to events for which participation is verified. The method includes generating user keys including unique public keys for each user and user secret keys. The method includes assigning a public key to a user, communicating the assigned public key to a user device and enabling download of a verification application. The method includes receiving a first coin request that includes identification of a first coin set, the assigned public key, and a data set. The method includes verifying user participation in an event based on the data set. The method includes executing a cryptocurrency transaction with the user device. The cryptocurrency transaction including public validation of a transfer of a cryptocurrency coin from the identified coin set to the user device via an append-only ledger.
IPC codes: G06Q  20/    06            A I
G06Q  30/    02            A I
H04L   9/    08            A I
H04L   9/    32            A I
G06Q  20/    04            A I
G06Q  20/    10            A I
G06Q  20/    36            A I
G06Q  20/    38            A I
G06Q  20/    40            A I
Claims: number: 1
text: A method of secure event participation verification, the method comprising:
number: 2
text: The method of claim 1, further comprising:
number: 3
text: The method of claim 1 or 2, further comprising:
number: 4
text: The method according to any of the preceding claims, further comprising:
number: 5
text: The method according to any of the preceding claims, further comprising verifying that the user has not already received one of the cryptocurrency coins of the identified first coin set using the append-only ledger.
number: 6
text: The method according to any of the preceding claims, further comprising notifying the user device of the cryptocurrency transaction.
number: 7
text: The method according to any of the preceding claims, further comprising:
number: 8
text: The method according to any of the preceding claims, wherein the cryptocurrency coins are of no monetary value.
number: 9
text: The method according to any of the preceding claims, wherein:
number: 10
text: The method according to any of the preceding claims, further comprising communicating to a delegated entity at least one coin set of the coin sets and a master secret key and a master public key of the at least one coin set, wherein the delegated entity receives from the verification application of the user device any cryptocurrency coin requests for cryptocurrency coins of the at least one coin set and executes cryptocurrency transactions involving transfer of cryptocurrency coins from the at least one coin set.
number: 11
text: A non-transitory computer-readable medium having encoded therein programming code executable by one or more processors to perform or control performance of operations comprising the method according to any of claims 1 to 10.
Office action: search_report, dated 2017-11-22
Rejection reasons: inventive_step_epc_56
Prior art cited: ref_id: US2015235255A1
ref_type: patent
severity: background
ref_id: US2015371224A1
ref_type: patent
severity: background
ref_id: US2015363773A1
ref_type: patent
severity: background
ref_id: - MENI ROSENFELD: "Overview of Colored Coins", 4 December 2012 (2012-12-04), XP055384372, Retrieved from the Internet <URL:https://bitcoil.co.il/BitcoinX.pdf>
ref_type: npl
severity: background
ref_id: US2015235255
ref_type: patent
severity: obviousness
ref_id: US2015363773
ref_type: patent
severity: background
ref_id: US2015371224
ref_type: patent
severity: obviousness
ref_id: - Meni Rosenfeld, "Overview of Colored Coins", (20121204), URL: https://bitcoil.co.il/BitcoinX.pdf, XP055384372 [A] 1-11 * the whole document *
ref_type: npl
severity: background
Final disposition: pending (2017-11-22)