This is the second article of the series that focuses on the problem of blockchain scalability. In our previous article titled “What does “scalability” really mean in Blockchain?”, we provided a comprehensive review on how the problem had been tackled so far and systematically defined the so-called “scalable blockchains”.

Note that a few years back, the problem of blockchain scalability was all about answering the question “Can we achieve a higher TPS for Bitcoin?”. Its research has resulted in the studies of various problems in the domain of blockchain scalability as we can see today.

This article goes deeper into the discussion of the topic of “Scaling Bitcoin” which is the first section of our last article. It is aimed to show readers why exactly is Bitcoin not scalable and explain the key ideas behind some of the remarkable work that attempted to scale Bitcoin. …


Zhijie Ren

Senior researcher at VeChain. He was a postdoc and PhD at TU Delft. He has several peer-reviewed publications in the field of blockchain consensus algorithms.

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