Monat: März 2019

  • A brief history of time(stamping)

    A brief history of time(stamping)

    When I tell people about timestamping, they often react with, „Ah, yes, that Blockchain thing“. However, timestamping is as old as civilisation and has some interesting properties it gains from non-Blockchain applications. So let’s go back a few millenia first.

  • Timestamping: Why should I care?

    Timestamping: Why should I care?

    Timestamping documents is the basis for many forms of trust and evidence. As such, it is a building block for contracts and agreements, and dispute resolution.

  • A SIP library is born

    A SIP library is born

    Inspired by Andrijan Möcker’s „Ãœberallklingel“ (Everywhere Bell), I decided to create my own. However, I wanted to use it with a motion sensor and therefore to be able to turn it off and on again, when necessary. I also felt that using Asterisk was overkill and it could be done quickly and much easier with […]