Kategorien
General

Hitchhiker’s Guide to the Blockchain

Blockchain, cryptocurrencies, smart contracts, Web3 and NFT are the talk of the town. Almost everyone has an opinion, but hardly anyone understands the foundations or relationships. The goal of this series, whose first part you are currently reading, is to provide a structured presentation of promises, the technology behind, and the reality. Using everyday analogies […]

Kategorien
Allgemein

Bitcoin Block Timing Statistics

Bitcoin wants to be a universal payment means, providing rapid transactions. Here is an analysis on the blockchain timing, based on their timestamps.

Kategorien
How-to Open Source

Transparent, Trustworthy Time with NTP and NTS

«Time is Money», as the old adage says. Who controls the time, controls all kinds of operations and businesses around the world. And therefore, controls the world. Today, we all take accurate time for granted. Even though, today, it is delivered over the Internet mostly unsecured. But this is easy to change.

Kategorien
How-to Open Source

Generating Multi-Architecture Docker Images Made Easy

Docker is cool and portable, but distributing Dockerfiles comes at a disadvantage: The demands on the build environment are high. Distributing Docker images solves this, but building them for an architecture other than your CPU architecture seems complicated. Here is a simple solution.

Kategorien
Editorial General

A brief history of time(stamping)

This entry is part 2 of 2 in the series Timestamping

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.

Kategorien
Editorial General

Timestamping: Why should I care?

This entry is part 1 of 2 in the series Timestamping

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.