If your values don't need to be secret, you can use the latest bitcoin header.[1] Similar to centralized random beacons like the NIST[2] and Chile beacons. 1:

If your values don't need to be secret, you can use the latest bitcoin header.[1] Similar to centralized random beacons like the NIST[2] and Chile beacons. 1: https://eprint.iacr.org/2015/1015.pdf https://eprint.iacr.org/2015/1015.pdf 2: https://csrc.nist.gov/projects/interoperable-randomness-beacons https://csrc.nist.gov/projects/interoperable-randomness-beac...