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I want to learn ethereum from the ground up. Is ethereum written in python or golang or another langauge?

With written I mean the reference implementation.

Ini
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Both - because ethereum is a network of co-operating nodes, it's really good for the robustness of the ecosystem to have multiple implementations.

The client written in golang (often called geth) has a focus on efficiency, and is ethereum/go-ethereum on GitHub.

The client written in python has a particular focus on readability, and is ethereum/pyethapp on GitHub.

Aaron Sikes
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  • Thank you very much! So learning Python first is a good choice if I wanto to learn Ethereum from the ground up? – Ini Oct 29 '17 at 17:20
  • What is ethereum/pyethereum? – Ini Oct 29 '17 at 18:39
  • @Invader it's the python library which handles core ethereum task. The command-line client pyethapp uses it to do stuff – Aaron Sikes Oct 30 '17 at 18:06
  • It's probably more useful to learn python than go if the goal is understanding ethereum. But the formal specification is also available at yellowpaper.io - although it's really formal and math-heavy. – Aaron Sikes Oct 30 '17 at 18:08
  • Is it necessary to understand all the stuff in the formal specification before digging into ethereum code or is it enough to understand the whitepaper? – Ini Oct 30 '17 at 19:31
  • @Invader I dunno! I'm pretty new to this stuff honestly, and I haven't gone through any of the implementation code, or even deployed a contract of my own. Good luck! – Aaron Sikes Oct 31 '17 at 20:18