492. Vitalik Buterin, «Proof of Stake: How I Learned to Love Weak Subjectivity», Ethereum blog, November 25, 2014;
493
493. Stefan Thomas and Evan Schwartz, «Ripple Labs' W3C Web Payments», position paper, March 18, 2014; www.w3.org/2013/10/payments/papers/webpayments2014 — submission_25.pdf.
