Proof of Spacetime Paramerters

This section describes parameters for Rational-PoSt, the Proof-of-Spacetime used in Filecoin.

ParameterTypeValueDescription
POST-CHALLENGE-BLOCKSBLOCKS480The time offset before which the actual work of generating the PoSt cannot be started. This is some delta before the end of the Proving Period, and as such less than a single Proving Period.
POST-CHALLENGE-HOURSHOURS2PoSt challenge time (see POST_CHALLENGE_BLOCKS).
POST-PROVING-PERIODBLOCKS5760The time interval in which a PoSt has to be submitted
**TODO**: The above values are tentative and need both backing from research as well as detailed reasoning why we picked them.