Ron Rivest publishes new time-lock puzzle – Cipherbrain
A Programmer Solved a 20-Year-Old, Forgotten Crypto Puzzle | WIRED
D20190502 lcs35 crypto-puzzle ronald rivet april 1999 - La Ciencia de la Mula Francis
10 of history's toughest ciphers and codes
Georgios Konstantopoulos on Twitter: "Kicking off the #VDFDay at MIT, Ron Rivest (the R of RSA) talks about the LCS35 puzzle. The 2 solvers of the puzzle are also present. @drakejustin introduces