Linked Questions

A fork is a splitting of the blockchain. But what is the difference between a hard fork and a soft fork?

The orphaned blocks view from BlockChain.info shows a recent fork of the blockchain (starting with block 173,928) that went four blocks long before being orphaned. Other than the controlled rewind ...

When people talk about possible changes to how Bitcoin works they sometimes say a particular change would require a hard fork. What does that mean? Can a hard fork cause problems?

BIP 50 describes the 2013 event in which a block chain fork persisted for several hours. Its first paragraph reads: A block that had a larger number of total transaction inputs than previously seen ...

Satoshi Nakamoto is supposed to own 1.000.000 bitcoins on a thousands of wallets, and most of them are untouched since early blocks. This stake can potentially flood the market, so miners could ...

this is perhaps more of an economics question than a bitcoin question, but i'm wondering if it would be viable to leave the block size capped at 1MB for all time and simply let a series of rules ...

What is the case after halving reward takes place: Would bitcoin price gets double, since its harder to mine? Would Blockchain introduces more blocks (e.g: 1/5mins)?

I would regularly check coin.dance/blocks for updates on Segregated Witness and Bitcoin Unlimited popularity among miners. Another proposal called "Emergent Consensus" has appeared. Could someone ...

In an Optech newsletter, size is referred to using vbytes. Is there a difference between vbytes and bytes? If so, what is the difference?

In the blocksize debate it is often stated that hard forks are dangerous. This is sometimes supported by the claim that "people may lose money and must be protected". And that it's impossible to ...

I was putting an answer for this question together when I realised my idea would require a new type of transaction to be invented and included in blocks. Then I wondered how that could work. There ...

There are some rules, called consensus rules. For example, block generation fee amount. And it is said that "change to consensus rules is hard-fork". But how exactly the consensus rules are forced? ...

There have been a few new sighash types proposed. SIGHASH_NORMALIZED : Use a 'normalized' TXID in the inputs when serializing for signing. This normalized transaction id is calculated by removing the ...

Is there any protection against replay attacks in BIP148? Despite the popular name (UASF), it's effectively a hard fork (in the sense users with old nodes will be on a different chain), is there any ...

After a hard fork, what happens to the full nodes? Say 11,000 BTC full nodes existed prior to the fork. Do all 11,000 end up supporting both BCH and BTC? Or does BCH start building it's own network of ...