Ledger is evolving from a crypto wallet provider to a digital identity security company, introducing a new Proof of Identity system. This system uses hardware-based cryptographic proof (Proof of You, ...
Formulae for ζ(2n) and Lχ4 (2n + 1) involving Euler and tangent numbers are derived using the hyperbolic secant probability distribution and its moment generating function. In particular, the Basel ...