7 votes
Accepted

At what point does a hard fork occur?

A hard fork is something that happens when some of the nodes on the network follow a new set of rules that are in some way incompatible with the existing set of rules. It occurs upon mining the first ...
  • 8,754
6 votes
Accepted

What is "Emergent Consensus" as a Mining Pool Support proposal?

Emergent consensus Emergent consensus is a protocol upgrade proposal championed by the Bitcoin Unlimited developers. The idea is for each node to broadcast its acceptable block size and to thusly ...
  • 65.3k
5 votes
Accepted

Does Bitcoin Unlimited keep ASICBOOST intact vs going with segwit?

How does ASICBoost work ASICBoost relies on finding multiple block headers that match in the last sixteen bytes. As SHA-256 takes 64 byte chunks of input, this allows to reuse parts of the ...
  • 65.3k
4 votes

What was the timeline of the Bitcoin Unlimited Hack as of 2017-March and where was it in the code?

The commit implementing the fix was issued Mar 14, 2017, 3:16 PM GMT. A Github release was made at 7:39 PM GMT. It was announced on Reddit at 7:59 PM GMT. The vulnerability was discovered sometime ...
  • 28.9k
3 votes
Accepted

Incentives for Segwit vs BTU

Some Core developers work for Blockstream. Some people say they want small blocks so that you will be forced to use Blockstream products (sidechains) to use bitcoin. Some say Bitmain uses ASICboost ...
  • 8,339
3 votes

Can a Mining Pool Force Changes Without Agreement from Bitcoin Core Developers?

In contrast, Bitcoin Core Developers are considering limiting to smaller blocks (300KB). First of all, for these kinds of changes, Bitcoin Core only merges things with very wide consensus. There was ...
3 votes

Will bitcoin unlimited affect BTC?

What will happen to our existing BTC? Can we still use those? Will those be of no use? At this point it seems likely to me that the BTC chain will survive a hard forking attempt by BTU. Really, ...
  • 65.3k
2 votes
Accepted

Will I have the same amount of bitcoin on "bitcoin core" and "bitcoin unlimited"

If a hard fork activation of Bitcoin Unlimited were to occur, both the resulting chains share a common blockchain-history: BTC : ← 6 ← 7 1 ← 2 ← 3 ← 4 ← 5 <split> ...
  • 65.3k
2 votes
Accepted

With the upcoming hard fork will there be a fixed exchange rate between Bitcoin Unlimited and Bitcoin?

If the two projects both persist, they would be freely traded one for the other. A fixed price could only be established if someone with unlimited funds guaranteed an exchange rate, which naturally ...
  • 65.3k
2 votes
Accepted

Can a Mining Pool Force Changes Without Agreement from Bitcoin Core Developers?

In Bitcoin to understand who can make or break the rules you have to understand how they are enforced. Bitcoin is decentralized, so there is no company that has veto power over anything. It is the ...
  • 36
2 votes

Does the node count reflect the mining power support of different Bitcoin versions?

No, nodes and miners are separate entities performing different functions in the network. The miners create the blockchain, which requires specialized hardware that performs hashing. The hardware is ...
  • 65.3k
2 votes

How to install Hard Fork of Bitcoin, such as Bitcoin Cash and Bitcoin Gold?

I agree with you, that from a marketing standpoint, the different names used by the various implementations of the Bitcoin Cash fork are confusing. First, let's understand what a fork is. The rules ...
  • 589
1 vote

How to install Hard Fork of Bitcoin, such as Bitcoin Cash and Bitcoin Gold?

Bitcoin ABC and Bitcoin unlimited are nodes of the main fork of bitcoin cash. Bitcoin Cash XBC is a "Adjustable Block Size" implementation of the original Bitcoin client, allowing up to 8mb ...
  • 3,569
1 vote

"Failed to connect best block" error when I try to load my wallet

Your database is out of sync with your blockchain. Restart with -reindex-chainstate to make it rebuild the database. This may take several hours or more, depending on the speed of your machine and ...

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