[1] 32進数にも色々あります。
[7] Base 32, Douglas Crockford, , https://www.crockford.com/base32.html
[4] draft-multiformats-multibase-02 - The Multibase Data Format, , https://tools.ietf.org/html/draft-multiformats-multibase-02
[5] Check alphabets for base32 · Issue #4 · multiformats/multibase · GitHub, https://github.com/multiformats/multibase/issues/4
[6] How to implement a DNSCurve cache, , https://dnscurve.org/in-implement.html
[8] bips/bip-0173.mediawiki at master · bitcoin/bips · GitHub, https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
[9] Clockwork Base32