A gentle introduction to immutability of blockchains

In the context of data security, the immutability of data stored on blockchains is important. What do people mean when they say “Blockchains are immutable”? In this post I try to explain the key concepts.

It may be useful to read introductions to blockchains and Bitcoin if you have just arrived here or are unfamiliar with them.

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In a nutshell: Eris (Epicenter Bitcoin interview – Jan 2016)

I enjoyed listening to episode 112 of the podcast “Epicenter Bitcoin” where Casey Kuhlman, CEO of Eris Industries was interviewed. Here are my notes on parts that I found particularly interesting. Misunderstandings and paraphrasing errors are mine.

If this is hard to follow, it may be helpful to read my introductions to blockchains, bitcoin, digital tokens, and smart contracts first.

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A gentle introduction to blockchain technology

This article is a gentle introduction to blockchain technology and assumes minimal technical knowledge.  It attempts to describe what it is rather than why should I care, which is described in other posts.

Shorter companion pieces to this are:

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