Abstract: The invention relates to methods and systems for reducing user interventions necessary for authentication of electronic payment transactions. In an embodiment the invention comprises (i) receiving from a POS terminal a payment transaction request, and information identifying a first payment card for implementing the payment transaction request, (ii) receiving from a wireless access point, information corresponding to a set of payment cards enrolled with a mobile payment wallet implemented on said mobile communication device, (iii) determining whether received information corresponding to the first payment card matches received information corresponding to any payment card within the set of payment cards enrolled with the mobile payment wallet, and (iv) implementing the requested payment transaction based on the first payment card.

Abstract: A method for adjusting a spam index for a blockchain advertiser based on user consensus includes: storing an advertiser profile related to an advertising entity including at least an index value and an identification value; receiving new blocks in a blockchain, each including a block header and blockchain data values, where a plurality of the data values each includes an advertiser identifier, advertisement value, and a recipient identifier; receiving a plurality of spam reports, each associated with one of the data values and including at least one of: the advertisement value included in the respective data value or a reference value generated by hashing the respective data value; determining a ratio of a number of spam reports to number of the data values that includes the advertisement value; and adjusting the index value included in the advertiser profile according to the ratio.

Abstract: A method for adjusting a spam index for a blockchain advertiser based on user consensus includes: storing an advertiser profile related to an advertising entity including at least an index value and an identification value; receiving new blocks in a blockchain, each including a block header and blockchain data values, where a plurality of the data values each includes an advertiser identifier, advertisement value, and a recipient identifier; receiving a plurality of spam reports, each associated with one of the data values and including at least one of: the advertisement value included in the respective data value or a reference value generated by hashing the respective data value; determining a ratio of a number of spam reports to number of the data values that includes the advertisement value; and adjusting the index value included in the advertiser profile according to the ratio.

Abstract: A method for determining transportation fares includes: receiving a plurality of user data points for a user, wherein each user data point corresponds to a geographic location of a user including at least the geographic location and a timestamp; receiving a plurality of transport data points for each of a plurality of transportation vehicles, wherein each transport data point includes at least a geographic location of the respective transportation vehicle and a timestamp; identifying a specific transportation vehicle used by the user based on a correspondence between the geographic location and timestamp included in the plurality of user data points and the geographic location and timestamp included in the plurality of transport data points received for the specific transportation vehicle; determining a fare amount based on at least the identified specific transportation vehicle; and transmitting at least the determined fare amount.

Abstract: The invention relates to methods and systems for reducing user interventions necessary for authentication of electronic payment transactions. In an embodiment the invention comprises (i) receiving from a POS terminal a payment transaction request, and information identifying a first payment card for implementing the payment transaction request, (ii) receiving from a wireless access point, information corresponding to a set of payment cards enrolled with a mobile payment wallet implemented on said mobile communication device, (iii) determining whether received information corresponding to the first payment card matches received information corresponding to any payment card within the set of payment cards enrolled with the mobile payment wallet, and (iv) implementing the requested payment transaction based on the first payment card.