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It would be great if CPU mining of bitcoin wasn't so laughably inefficient as to be pointless. The hashing rate that Tidbit claims to achieve, if left running continuously at the current difficulty level, would earn about a penny per decade.

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This idea has been around for years, Tidbit is nothing new [1]. GPU mining through browsers is just as old [2]. None of this is particularly hard to conceive of or difficult to implement. I would love to know who advised to proceed on this matter and their reasoning.

[1] https://bitcointalk.org/index.php?topic=9042.0 [2] https://bitcointalk.org/index.php?topic=9876.0

With ASIC miners starting to become common, isn't GPU mining also becoming extremely inefficient?

For small miners, there are plenty of profitable GPU coins.

Considering modern Javascript allows to program WebGL shaders, one could develop a very efficient miner for Srypt-based altcoins and make quite a lot from a popular website.

http://www.coinwarz.com/cryptocurrency/

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