Description: Family of parametric long-term SOPR curvers. The SOPR function is calculating [in the interval] for
tx outputs from U_j class: log(l)>j, where l is a tx output lifespan.
Bitcoin on-chain independent research project
Data is available for non-commercial use under a CC BY-NC-SA 4.0 license
Contact: tsypruyan [at] {protonmail.com, gmail.com}, @tsypruyan