@misc{Riv19f,
author = { Ronald L. Rivest },
title = { {LCS35} Time Lock Crypto Puzzle },
date = { 2019-05-15 },
OPTyear = { 2019 },
OPTmonth = { May 15, },
venue = { MIT CSAIL },
note = { Talks given at
MIT CSAIL Time Lock Puzzle and Time Capsule Opening Event, and VDF Day
},
urla = { Original puzzle },
urlb = { VDF Day },
urlc = { VDF Day (YouTube) },
}