The Cielo Ruby SDK by Cielo allows developers to integrate payment processing features such as support for credit cards, recurrent payments, debit card transactions and payment inquiries. Links provided by Cielo are used when authenticating transactions in order to generate payments. Ruby 2.0.0+ is required.
Mastercard, a company that once warned that the risks of digital currency outweigh the benefits, has released two new blockchain APIs to promote collaboration and innovation in the digital exchange of value. Through its Mastercard Labs arm, Mastercard has indicated the API release is just the start.
Venmo transactions are still easily obtained by the public according to computer science student Dan Salmon, who says that he accessed millions of transactions over a six-month period in an effort to raise awareness about privacy on the popular PayPal-owned peer-to-peer payments service.