Questions tagged [blockchain-fork]

This tag should be used for questions regarding any split in the Bitcoin blockchain

27 questions with no upvoted or accepted answers
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Which major/noteworthy BIPs, Soft-Forks and Hard Forks have there been since the Summer of 2017 (after SegWit/Bitcoin Cash)?

There are many lists of major forks however most of them end after SegWit. The full list of BIPs is extensive. Which noteworthy BIPs, Soft Forks and Hard Forks have there been since SegWit and Bitcoin ...
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1answer
186 views

Risk to Bitcoin balance when making Bitcoin Gold transactions

If Bitcoin Gold fails to implement replay protection, will I risk losing my Bitcoin when I make a Bitcoin Gold transaction? Assuming replay protection is not implemented properly, how can I protect ...
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84 views

Is a replay-attack-proof soft fork possible?

Say there is a soft-fork. A is the chain that implements it, B is the chain that has a transaction that's valid pre-soft-fork, but invalid post-soft-fork, so it's following the old rules. We know that ...
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201 views

Get as many blocks as possible (stale, invalid, orphans)

I would like to download (and access) as much blocks as possible - including stale (extinct) blocks, orphans blocks and invalid blocks. I have 0.11 official client. My node is already synchronized but ...
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0answers
30 views

Fork rate range in terms of network security

I am really new to bitcoin and am trying to understand the basics. Fork rate/Orphan rate is a measure of network security. The higher the fork rate, the more compromised the system. Also fork rate ...
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0answers
27 views

Miners and Nodes: what are their role in protocol updates?

What are the different roles of miners and nodes for protocol updates (governance)? Which group is more important?
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663 views

How to recieve bitcoin fork (segwit2x) on binance?

I cannot find any area on Binance.com that shows the new bitcoin hard-fork (segwit2x) funds, any input?
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32 views

How do hard forks avoid peering with each other?

I understand that in a hardfork (e.g. the actual Bitcoin vs. Bitcoin Cash/Gold) the blockchains would diverge because the miners and clients have different rules to accept a valid block. It makes ...
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1answer
2k views

Online wallet to redeem pre-fork paper wallet for both Bitcoin and Bitcoin Cash

I have BTC (pre-fork) and now BCH(BCC) on a paper wallet. What's the best online wallet to transfer them into to ensure I retain both coins and also to be able to transact with them?
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30 views

Are exchanges tolerant of reduced transaction capacity?

In case a UASF is deployed and activated by exchanges there could be a stand-off situation in which miners mine on a different chain than exchanges. This would look like a sudden and long-lasting ...
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55 views

Finding forks in the blockchain

I would like to analyze forks happened until now in the blockchain, is there any kind of script or suggestion to view that(not the blockchain.info chart)
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117 views

Validate chain from `valid-headers` to `valid-fork`

The getchaintips JSON-RPC returns multiple branches of the blockchain. Chain tips can be in various statuses. The active and valid-fork are already validated chains. There is a valid-header valid-...
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190 views

How to fork blockchain intentionally without RPC commands?

Are there any methods other than RPC command invalidateblock <hash> for creating forks? I know that forks occur when two miners (nearly) simultanously each generate a block for a previous common ...
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129 views

Can bitcoind/bitcoin-qt (via RPC or command-line-options) be used to discover when two competing best-blocks exist?

The standard bitcoind/bitcoin-qt client lets you ask for the highest known block, via RPC, or get notifications when a new 'best block' is locally acknowledged (via the -blocknotify option). But, is ...
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19 views

unconfirmed transaction 1/2fdlhhxj

I have seen a transaction in my wallet that was not made by me how can I stop it please it’s still on 1to6 unconfirmed
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20 views

Most Energy-Efficient Way To Reactivate Disabled Operational Codes (Opcodes)?

Currently, there exist a number of operational codes (opcodes) within the bitcoin protocol that have been disabled for security reasons. These script functions of the bitcoin protocol were taken out ...
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1answer
29 views

How would a hard fork for a new key-pair/address generation algorithm be implemented practically?

If an upcoming hard fork entails a switch to new method for key-pair/address generation, how exactly is it going to be carried out? How would all the old addresses going to change to ones that are ...
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26 views

What is the probability of having forks in PoW given different network size (miners count)?

Given a blockchain network of n nodes, where m of them are miners (m < n), what is the impact of m on the probability of having forks in Bitcoin or any PoW-based blockchain? It is clear for me ...
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23 views

How does hard fork lead to a double spending attack?

I read some article mentioned that hard fork may lead to a double spending attack. I wonder how? And i have one more question: will the bitcoin wallet address change after the hard fork?
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79 views

One private key for two wallet problem - How can I get bitcoin hard fork?

I have a wallet named w1 which has the united bitcoin already (I checked on the block explorer) When I extract w1's private key and put into the united bitcoin desktop wallet, it points to a different ...
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30 views

Is supply reduction consider as a hard or soft fork?

I'm writing an article about current Minergate Dashcoin hard fork. From all the bitcoin hard fork talks I get the impression only when block size increases will result in a hard fork. How about coin ...
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1answer
131 views

I mined in early 2010 with a cpu miner and just found my keys after forgetting all thease years, no joke need info please

who is the best most reputable bitcoin recovery company? I have added details and questions about our situation below Thank you And God Bless what was the mining program from the devs back then? I ...
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1answer
113 views

how to create a transaction that can only run in bch-abc using javascript?

I use the "bitcoincashjs" or "bch-lib" and want to add a new opcode "OP_CHECKDATASIG" to output.How to do? const utxo = { 'txId' : '...
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1answer
88 views

Who is rewarded

I see that transactions are recorded as blocks in the blockchain. Thereby, blocks compete for the order in the blockchain in case of forks. I do not quite understand if it is block encoding is labor-...
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1answer
104 views

How do coins upgrade there blockchain from 10v or 11v to 12v

Hi am a 15 year old who wants to do this for a living so i don't read much so i learn better by doing it. So i wanted to upgrade a wallet to a newer version. So i did it all after my 1000th attempt it ...
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1answer
161 views

Can someone create a very complex transaction to try to fork the network?

If contracts are built into the code already, what is to stop someone from creating a transaction script that is very cpu intensive to verify, so that some computers accept the block with it and ...
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1answer
67 views

Possibility of occurring Fork in case of using Proof-of-Stake?

Regarding the fact that in Proof-of-Stake, a stakeholder will be elected randomly as the next validator in each epoch (or each round), logically, in each round there is only a single validator, and so ...