Thanks to Jeremy Clark for comments on a draft of this post. Each transaction also has an attached fee. Bitcoin's forked: chief scientist launches alternative proposal for the currency. A Bitcoin civil war is threatening to tear the digital currency in 2 here's what you need to know, Business Insider. Building a Bitcoin block is just a knapsack problem with how would a war affect bitcoin weight being the size of each transaction, value being the transaction fee, and the total capacity as the 1 MB block limit. Why is My Bitcoin Transaction Taking So Long? CoinDesk Explainer: Bitcoin Unlimited: Mining Power Should Determine Hard Fork, CoinDesk. Let's look at the underlying meaning of solving tsmp. In practice, assembling optimum Bitcoin blocks requires solving both problems simultaneously. They also must ensure the total block size is less than 1MB. Does any of this matter in practice?

This post is (mostly) a theoretical curiosity, but a discussion last week at citp during our new course on Bitcoin led us to realize that being an optimal Bitcoin miner is in fact NP-hard. Well also make the trabajo con bitcoin personas whastapp problem considerably easier by ignoring the block size limit and assuming all transactions have a constant fee. As weve said before, this makes Bitcoin a fantastic topic for any computer science curriculum to cover! Heres Why, The Coin Telegraph. Bitcoin Unlimited Hopes to Save Bitcoin from Itself, Motherboard, Vice Media LLC . BlockChain, the cipher behind BTC, has many serious problems that do not only require a solution for tsmp, such as P NP, for instance. So for each transaction, we need to add as conflicts the set of all conflicting transactions of all of its dependencies.

Would a solution

NP problem, disrupt crypto currencies like, bitcoin?

A better use for the wasted processing power

Bitcoin mining is, nP -hard Not so much a problem in practice?