Questions tagged [sidechains]

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What would be the challenges for bitcoin client to maintain multiple blockchains?

Historically, sidechains have been promoted as a scaling solution for bitcoin while their most important challenges considered to be trustless pegg-in/pegg-out and 51% attack., but in a hypothetical ...
2 votes
2 answers
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Can we benefit from Collatz conjecture-based proof of work?

Can we benefit from Collatz conjecture proof of work to enhance bitcoin utility? F Bocart 2018:"Inflation Propensity of Collatz Orbits: A New Proof-of-Work for Blockchain Application" argues ...
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How to develop bitcoin sidechains/second layer solutions?

If I have an idea for a use case that requires transparency and ultra-secure final settlement, how do I go about programming this to be a side chain/2nd layer solution on the bitcoin network? Is there ...
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What disadvantages do 2nd layer solution/side chain smart contracts on the bitcoin network have against those on the ethereum network?

I have seen that side chains/2nd layer solutions that utilize smart contracts on the bitcoin network are feasible and in use. If the 'programmability' feature of smart contracts is available on the ...
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Can smart contracts be set up on a side chain or 2nd layer solution?

I am not even personally convinced of the utility of smart contracts, but that aside, is it theoretically possible for a side chain or second layer solution to utilize/implement smart contracts? Ie is ...
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What are all the payment channels implementations?

I know the Lightning Network (which Electrum wallet experimentally supports) is an implementation of a payment channel, but Mastering Bitcoin (2nd ed.) ch. 12, § "Routed Payment Channels (...
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3 answers
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Pegged sidechain vs. Lightning Network?

How is the Elements Project's pegged sidechains concept similar to and different from the Lightning Network's payment channels concept?
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4 votes
4 answers
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What is the point of "Bitcoin Lightning" and "Bitcoin Liquid"?

Even having been "into" Bitcoin since almost since the start, I constantly find new weird things mentioned which are just apparently taken for granted and exist suddenly and somehow have ...
2 votes
1 answer
136 views

What is a softchain?

What is softchain and how is it different from drivechain? What are associated tradeoffs and feedback from community?
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4 votes
1 answer
859 views

What is spacechain?

I am interested in experimenting with layer 2 solutions like Lightning, Liquid, Rootstock etc. Is "spacechain" a new concept and how does it improve Bitcoin ecosystem? What are space chains? ...
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4 votes
1 answer
728 views

Sidechain vs layer 2

I want to know what's the difference between "sidechain" and "layer 2". Is it the same thing ? Thanks
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1 answer
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Is the contest period really necessary for cross-chain transactions in 2-way-peg sidechains?

According to the first sidechain article (Link), the cross chain transaction process can be briefly describe as follows: Alice has a wallet on sidechain S1. She wants to send some coins to sidechain ...
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If I am on a fork, can the reindex parameter fix this?

I've been reading confusing information online about what the --reindex startup parameter does. This link is not clear to me. https://github.com/bitcoin/bitcoin/blob/...
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Are there any "slow" sidechains? What are the tradeoffs?

Are there any examples of sidechains which target a block time much longer than bitcoin? Could a sidechain be made "slow enough" such that the size of a proof (SPV proof?) for it could actually fit ...
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What is the difference between reliance on miners on Drivechains and Lightning?

It's commonly said that the Drivechains proposal gives much power to miners and that they can steal money from these drivechains, but I keep thinking that if what they can do is to vote on which ...
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Where are Drivechain votes computed?

In the context of the Drivechain proposal, for UTXOs in miner-controlled escrows to be spent, they have to be voted on by each block over a large number of blocks, right? Now, how are these votes ...
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How does a Drivechain output work?

It is said that Drivechain works by sending a transaction output to a miner/hashrate-controlled escrow. I know it works by allowing miners to vote over a large number of blocks on transactions, that ...
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Claiming liquid peg-in: „The txoutproof must contain bitcoinTx and only bitcoinTX“

I‘m trying to do a liquid pegin. Generated the pegin address and sent funds to it, waited < 102 blocks. When trying to claim them with liquid-cli claimpegin “rawtransaction“ “txoutproof“ The ...
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2 answers
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How to burn confidential assets or pegged bitcoin on Bitcoin Liquid sidechain

I used to burn bitcoin sending to a bogus address like 1111111111111111111114oLvT2 There is any equivalent confidential address for Elements/Liquid?
2 votes
0 answers
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Why is liquid so inactive and (according to statistics) not being used yet?

After years of development 3 Months ago Liquid (the side chain project) was announced. If you look at https://liquid.horse/ you can find the following statistics as of right now: Sidechain Stats ...
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1 answer
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Transaction deserialization test vectors for Elements sidechain?

I'm working on adding support for Elements sidechain to https://github.com/Simplexum/python-bitcointx/ library. Transaction serialization/deserialization seems to be working, but to test it properly,...
4 votes
1 answer
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Is there a way to verify how many Liquid Bitcoins are in existence?

Is there a way to recognize peginaddresses where bitcoins are locked up for use on the Liquid sidechain, and therefore a way to sum up the total bitcoins currently circulating on Liquid?
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1 answer
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How long do transactions on the Liquid Network take to clear?

Transactions on the Liquid sidechain are said to enable much faster transfers than the main Bitcoin blockchain. How fast are the the transfers? Does it still use a blockchain?
4 votes
1 answer
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What is the relationship of the Lightning Network and the Bitcoin protocol?

Is Lightning running on the Bitcoin protocol or on another blockchain? Is is something like a sidechain? Where are the bitcoins in the Lightning Network stored?
2 votes
0 answers
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What happened to Sidechains [closed]

Seems like the interest to work on sidechains has died in favor of Lightning and Segwit ( I might be wrong about this, that just seems to be the vibe I get from social media and seeing what kind of ...
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Transactions in Sidechain

Suppose I have my own sidechain and have created a transaction of 100 BTCs from Bitcoin network to my Sidechain. To my understanding, this means 100 BTCs are now locked on Bitcoin Network and 100 ...
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1 answer
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How can I create a node on Liquid Sidechain?

I want to create a node on Liquid Sidechain so that I can integrate Liquid Network with my decentralized exchange.
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How do bitcoins get back to the main chain from a side chain?

I understand how bitcoins can be sent to a sidechain. The sidechain can be very main-bitcoin aware and validate that the bitcoins have been sent to a special type of side-chain address for that side ...
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-1 votes
2 answers
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Blockchain Recent Scaling Proposals : (Sharding, blocksize , SegWit, GHOST, Lightning, multichains, sidechains, DAGs)

What are some recent scaling proposals worth note? (Continually Updated)
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How can there be block mining rewards in Rootstock?

I'm trying to understand Rootstock a little better, and am still not sure about the mining rewards they mention in their white paper: RSK uses the DECOR+ block reward sharing scheme to reduce ...
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3 votes
2 answers
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Would it be possible to do atomic swaps with Monero and Bitcoin?

Litecoin and Vertcoin is currently testing out atomic swaps with Bitcoin as of 2017-08. Would atomic swaps be possible with Monero?
6 votes
2 answers
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Can someone ELI5 to me for Bitcoin Atomic Swaps?

I'm reading up the wiki page here: https://en.bitcoin.it/wiki/Atomic_cross-chain_trading I understand a user can create a transaction without signing it and not broadcasting it to the network. I know ...
4 votes
1 answer
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What are sidechains and drivechains?

Altcoins have existed for many years and there are many hundreds of different ones already. A more recent concept is sidechains and drivechains. What are sidechains and drivechains? How do they ...
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3 votes
1 answer
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Will the Liquid sidechain be open to any user?

With the recent start of the private beta of Liquid, the first sidechain is now in production on the Bitcoin network. One of the features advertised is: User Control – Users can hold their ...
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1 vote
1 answer
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Is SegWit a step in the direction toward implementing pegged sidechains into Bitcoin?

Is Segregated Witness a step in the direction toward implementing pegged sidechains into Bitcoin?
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1 vote
0 answers
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What is the proposed solution to solving the 2 way peg with Sidechains?

I'm trying to understand how a sidechain would work with Bitcoin using a 2 way peg. From my understanding the Bitcoin 2 way peg works like this: A bitcoin is sent to an address that the sidechain can ...
1 vote
1 answer
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What constitutes a project to be a Bitcoin Sidechain?

From my understanding sidechains require the parent blockchain (bitcoin) to be able to lock a certain amount of coins on the sidechain. My question is how is it different from just sending your btc ...
4 votes
1 answer
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Does rootstock need segregated witness to work?

Does Rootstock need segregated witness or any other bitcoin improvements not currently included for it to work?
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1 answer
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Can sidechains be used for fiat currencies?

How could sidechains be used for auditing fiat transactions? How would the accounting transaction in fiat and the record in a journal be merged?
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4 answers
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Alt coins as Bitcoin sidechains

So I was reading this discussion today and came across this concept: Monero, Litecoin, Ethereum ... will be Bitcoin sidechains before long, and as there's no additional value to having standalone ...
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3 answers
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Are there any other blockchains that can spawn child-chains within their own blockchain like NXT's Ardor platform?

NXT is transitioning into a child-chain or sidechain type of blockchain as a service model. I know Bitcoin has the ability to issue colored coins on counterparty and colorcoins, but is there something ...
5 votes
1 answer
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Proof of Identity Sidechain Proposals

I have seen various Proof of Identity Proposal that all required some degree of trust (to verify the person in physical possession of a Passport is also the owner of it for example). Have their been ...
4 votes
2 answers
138 views

Micro-payments definition and ideal platform

Have developers come close to reaching a consensus on either: The definition of micro payments? Whether micro-payments ideally belong on the main chain or side chains?
10 votes
2 answers
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How would SPV proofs be verified when moving assets back in 2-way pegged sidechains?

I've seen similar questions posted all around, but haven't found an answer I can comprehend. Ok, so the process of 2 way pegging is: I move some coins to OP_SPVPROOFVERIFY on the parent blockchain. ...
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1 answer
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starting alphad what is the correct rpcconnectport

following the instructions in the alpha-README.md file on GitHub in step number 2, to start alphad it is suggested to do: ./alphad -rpcuser=$RPC_USER -rpcpassword=$RPC_PASS -testnet -rpcconnect=127.0....
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1 vote
0 answers
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sidechains: alphad, claim-on-sidechain error from alpha-tx: not found

following the instructions in the alpha-README.md file on GitHub got an error on the claim-on-sidechain part anyone dealt with it before? ./elements/contrib/sidechain-manipulation.py claim-on-...
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17 votes
2 answers
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How thoroughly has Segregated Witness been tested?

I've encountered claims that Segregated Witness was "not really tested" and is being "rushed". It is my understanding that SegWit had been running on Elements for more than half a year already, and ...
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0 votes
1 answer
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I want to launch my own simple sidechain pegged to bitcoin for testing purposes. Can it be done?

I've been reading about Blockstream and Liquid but I was under the impression that sidechain was something that would require changes to the Bitcoin Core platform. Is that correct? I mean, is the ...
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12 votes
1 answer
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What are the segregated witness tradeoffs?

Segregated witnesses sound like a win in a lot of ways, I'm just trying to understand how they apply to scalability. If I understand correctly, there is a second Merkle tree of witnesses mirroring the ...
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8 votes
3 answers
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Would sidechains help Bitcoin scale?

Are sidechains intended to help Bitcoin scale? Do they reduce load on Bitcoin's main chain? If not, why not?
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