https://blog.jabberhead.tk/2019/03/10/a-look-at-matrix-orgs-olm-megolm-encryption-protocol/ https://blog.jabberhead.tk/2019/03/10/a-look-at-matrix-orgs-... is q

https://blog.jabberhead.tk/2019/03/10/a-look-at-matrix-orgs-olm-megolm-encryption-protocol/ https://blog.jabberhead.tk/2019/03/10/a-look-at-matrix-orgs-... is quite a good comparison.