15 votes

Can there be a blockchain without mining?

I don't know anything about Multichain so I'm not sure if this is the answer you're looking for, but here's one answer that might help you. The interesting thing about proof-of-work (Nakamoto) ...
Alin Tomescu's user avatar
  • 1,337
10 votes
Accepted

Is there an active list of BIPs currently open for voting?

This question is based on a misconception. Miners do not vote on proposals. Consensus changes to Bitcoin are made by the entire ecosystem transitioning to new rules that they choose, by running node ...
Pieter Wuille's user avatar
8 votes
Accepted

How does a miner put his vote for certain BIP?

See my answer here to address some of your misconceptions. TL;DR: miners signal support in blocks for certain rule changes in order to coordinate activation, not to determine whether it is accepted or ...
Pieter Wuille's user avatar
8 votes

Blockchain Tools for Voting Among Small Groups?

Blockchains are a bad solution for voting, and in my opinion the widespread interest in using them for this purpose is misguided. One of the important properties of a voting system is making sure that ...
Pieter Wuille's user avatar
7 votes
Accepted

Is there a way to participate in bitcoin consensus (tx, block, mining, etc.) verification without downloading the ledger?

This is approximately how Bitcoin full nodes already work, though with one important change. Bitcoin, at the protocol level, has no notion of addresses, and doesn't work in an "account" ...
Pieter Wuille's user avatar
6 votes

Can there be a blockchain without mining?

The other answers explain the problem that mining solves -- of the many possible valid blockchains, which is the one that everyone can agree on? Proof of work solves this -- the valid chain that took ...
David Schwartz's user avatar
5 votes

Can there be a blockchain without mining?

I'd like to add my own answer and remark that Alin Tomescu's answer does a good job of explaining the problem proof of work solves, so I won't go into those details. The concept you describe could ...
Brandon's user avatar
  • 296
3 votes
Accepted

Could a 2/3 majority vote be used as a consensus

I understand that Bitcoin currently is using the chain with most proof-of-work as consensus. However could this method be improved, like only allow one block being generated at any given time, and ...
Alin Tomescu's user avatar
  • 1,337
3 votes

Could a 2/3 majority vote be used as a consensus

Your proposal is not sufficiently specified: How is the authoring node selected? How does a node prove his authority to author a block? How do other nodes show support for the published block? How ...
Murch's user avatar
  • 75.2k
2 votes

How can Blockchain help to vote?

E-voting is a hard problem. There are three major sub-problems: (with two extras if you use a Bitcoin-based system) How do you provide a trustworthy computing environment? How do you distribute ...
Nick ODell's user avatar
  • 29.4k
2 votes
Accepted

How does miner voting work?

I'll try to answer your questions specifically, but here's a good read on how Bitcoin votes on upgrades. 1) The questions are really all the same question: which BIPs do you support? These ...
Jestin's user avatar
  • 8,812
1 vote

Blockchain Tools for Voting Among Small Groups?

I believe http://followmyvote.com is worth looking into; at least they claim to allow both anonymity, security and auditability at the same time. I'm not sure if it's resistant to vote-buying, it ...
tobixen's user avatar
  • 851

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