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What are sidechains and drivechains? Ask Question. Asked 3 years, 8 months ago. Active 3 years, 7 months ago. Viewed 1k times. How do they differ from regular altcoins? Improve this question. Haribo Dr. Haribo 8, 10 10 gold badges 38 38 silver badges 60 60 bronze badges. Add a comment. Active Oldest Votes. Improve this answer. Bonpay Bonpay 46 2 2 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.
Email Required, but never shown. The Overflow Blog. Why are video calls so tiring? You might be misreading cultural styles. I find this course prepared very well. There are many perspectives and this course does not concentrate on the technology only. I find this course very helpful. The level is more then just beginner.
Meaningful course which gives you the brief idea of what Blockchain is. Although when it's there are more new initiatives in the blockchain and crypto market. Still a good start for amateurs. Bitcoin-Backed Altcoins, "Side Chains". Bitcoin and Cryptocurrency Technologies. Enroll for Free. This Course Video Transcript. Hundreds of altcoins, or alternative cryptocurrencies, have been started, either to fix Bitcoin's perceived flaws or to pursue different goals and properties.
We'll look at everything that goes into an altcoin and how they interact with Bitcoin. Short History of Altcoins Interaction Between Bitcoin and Altcoins Lifecycle of an Altcoin
The downside of that is that they become difficult but not impossible to audit in any publicly visible way. That has led to huge amounts of theft. The recent introduction of 40 extra bytes into bitcoin transactions for arbitrary messages such as those associated with smart property or smart contracts supports that view, although third parties have asked for more space. Gregory Maxwell, who first proposed two-way pegging, says that it could provide some relief for bitcoin, though:.
Bitcoin core developer Jeff Garzik argues that off-chain transactions are an enabler, not a problem. Garzik describes himself as a fan of off-chain transactions and points to his own side project, payment channels , as an example of setting up high-volume transactions with other systems outside the bitcoin network.
So, some experts believe that two-way pegging could provide some useful respite for bitcoin from a scalability perspective, if side chains were able to connect with audit-able, fraud-proof private chains designed for high throughput. Those side chains could also be many and varied, each designed with their own specific properties for tasks like microtransactions and derivatives, say.
But, for two-way pegging to work, changes have to be made to the Bitcoin protocol. We have no idea what the future will bring, any more than anyone else. Once a concrete proposal appears in a pull request, then we can give a reasonable comment based on engineering evaluation. If the changes necessary to allow bitcoin to talk to other side chains are made, then it could relieve the bitcoin developer community of requests to tweak the blockchain to suit third-party purposes.
Hill and Back, who claim to have some core developers supporting their venture, plan to announce the full details — and its official name — by mid-May. Chains image via Shutterstock. Block chain 2. So, how will it work? This will have two major benefits, Hill suggests: functionality, and scalability. Throughput So, that takes care of functionality. What do core developers think? The concept of side chains is an intriguing one.
It is also clearly attempting to address a major problem with the whole Bitcoin scheme- namely the verification latency it introduces for transactions. This is only one of the hurdles facing Bitcoins acceptance into the world of commerce, but it is a considerable one. But how that happens is a matter for the sidechain. Gendal, how do you suppose private chains will be secured? For example, the CEO may decide to adjust history and there is not much stopping him, since he controls all the mining.
One approach is the periodic checkpoints sent to the blockchain. Anything else? I think sidechains become a huge security hole that might corpse whole Bitcoin eco-system. But the situation is no different than a firm today that offers bitcoin safekeeping services, right? Am I missing something? I see the benefits for the organization in using the private chain as another form of internal database, with better security properties. It can also be used where a service bus product would be today, to facilitate integration, conformance, monitoring, audit.
Anything else on the benefits side that I missed? Buy what is lost with private chains is non-repudiation of transactions, as PoW can now be manipulated, by the company itself, hackers and the governments. Checkpointing with the main chains is a good start, but is not enough. I am interested in discussing possible solutions to the problem. Thanks for elaborating. My take is that the Bitcoin architecture is a solution to the problem of how to maintain consensus about a ledger when the participants are unknown and many of them are adversarial I know this is loose language… computer scientists working in the consensus space are more precise but I think this captures the essence….
Security is so bad, employees are so untrustworthy, etc. But they are both problematic. Any thoughts on how one might do this? As blockchain ecosystem grows all kinds of data transformation tools will appear e. Inside blockchain could be tuned to be less PoW intensive and to cut blocks faster.
We need to construct a lot of hoops for hackers to jump through, as permitter defense is not holding up anymore. And we need to make our systems anti-fragile. The blockchain data structure is a good tool, other P2P tools can be used too. Also, the blockchain has initiated a renaissance of crypto tech, like multisig, payment channels. Store only what is necessary for the immediate access in a decrypted form on encrypted drives in a database sort of like cold and hot wallets.
When homomorphic encryption matures even DB records could be encrypted. Tor, ZeroCash. Each network participant will incorporate either a full node or an SPV client instead of trusting the access token. These clear boundaries started to erode with the extranets in the 90s, then with the multi-tenant cloud platforms, and lately with the smartphones and the IoT. As we move forward we will see value chains where participants have multiple roles and affiliations.
We will be designing token based systems that produce gains for any participants, internal or external. My team is working on the following preliminary identity design right now: — we provide no uniqueness of names, unlike the domain registrars, social networks, namecoin, onename.
There is no uniqueness of names in real life either. Instead the identity is just a hash of a [json] object that contains a public key. Identity object can not be modified directly, but a new version of it can be created, pointing to a previous version. The owner of the identity object can optionally connect it with the real life credentials, e.
This allows a spectrum of identities from fully anonymous to fully disclosed and verified. This also allows a person to have multiple identities, for work, for social, for gaming, for interest-specific forums. What are you storing? The hash of the JSON object? To what end? The JSON object itself? Something else? Here is the rationale:. Mastercoin and Counterparty are embedded consensus protocols or meta-protocols that use the blockchain to store their transactional data.
Bitcoin devs, except Peter Todd who was hired by both teams to help them find a proper solution, are very unhappy, to say mildly, about storing the data on the blockchain. Heated discussions on this topic go on for hundreds of pages on bitcointalk and Mastercoin github issue. Mining pools like Eligius started censoring Mastercoin transactions not sure if they are continuing with this practice right now, but the operators of this pool are adamant that data do not belong to the blockchain.
I think this conservative position without offering an alternative solution, will result in bitcoin ceding the market to Ethereum, much like Apple created an entrance to a much inferior at the time Android by signing an iPhone exclusivity deal with some carriers. I talked yesterday with Adam Krellenstein of the Counterparty and censorship was threatened, but he said did not yet happen. Yet, as I gathered, it is a remaining concern that can undermine their whole business.
Thus Tradle set out to build a meta-protocol that saves the data in the overlay network, and only puts minimal referencing data on the blockchain. There is a general grumpy consensus among bitcoin core devs and mining pool operators on allowing one small data chunk, a hash, per transaction. Many devs say it is not possible to secure this second overlay network. I agree, unless we use the blockchain to help with the task. We have a partial solution working, and are preparing a new design to improve it partial, as it can not yet handle all known attacks.
We are actively sharing the designs at various meetups and on the github and are inviting devs to find attack vectors and propose solutions. It is also capable of handling attachment files, needed in the healthcare and financial industries.
So there needs to be a way to prove that the identity being asserted really was issued to the owner of the private key associated with the bitcoin transaction that asserts it. I guess this could work in a world with address reuse. Or am I missing something? Think of the identity hash as a bitcoin address, it is indeed public. The signature is added to a [json] object that is modified with this identity.
If you see any fault with this, please let me know. There is a whole other issue of identity theft that needs to be addressed. Just a short note here as this is a big subject: If the private key to identity object is stolen, the true owner of the identity needs to have a way to change the key. One approach to that would be to use the private key of the bitcoin transaction that created the first version of the identity object. Another way could be to prove the ownership of other public keys on the identity object, like the one used for encryption PGP key management suggests a separate key for each purpose, signing, encryption, etc.
Other non-automatic ways could include a trusted third-party, social proof, etc. Richard G. This is by far the most enlightening post I have ever read! Since Asia holds the most of the crypto, the price drop in January was because of the Chinese New Year and panic selling. Have you heard about btctradefarm. Try it out now and thank me later. Earning interests for the bitcoins you hold has never been more profitable. You get. You are commenting using your WordPress. You are commenting using your Google account.
You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Standard Posted by gendal. Posted on October 26, Posted under Bitcoin.
Comments Comments. But what are they? And why should anybody care? A mental model for Bitcoin The key to understanding most innovations in the Bitcoin space is to make sure you have the right mental model for how Bitcoin itself works.
Here is the proof that I am entitled to move them And here is how the recipient will, in turn, prove that they are entitled to move them. And you do that by providing the solution to a challenge that was laid down when they were sent to you in the first place. But it can be more sophisticated than that. But it can be more complicated than that. Transaction Transfer Conditions I said above that you can build sophisticated rules into Bitcoin transactions to specify how ownership is proved.
You send your coins to a particular Bitcoin address They appear inside your circle wallet and are out of your control on the blockchain. At some point in the future, you might send your coins back out of your circle wallet to a Bitcoin address you own You now have control of some coins on the Bitcoin blockchain again! The sidechains ideas is this: Send your Bitcoins to a specially formed Bitcoin address.
The address is specially designed so that the coins will now be out of your control… and out of the control of anybody else either.
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In order to strengthen the security of a Sidechain beyond in the top of the the parent to soft fork ffsl bitcoins upgrade its core wallet software so that both chains can then validate transfers between. Whilst there are a few developers to experiment with Beta releases of Horse racing betting sites online or software description so you can go check it out and learn. These could include things side chains bitcoins to subscribe and I will still operate, but the peg. Conversely, should the main chain structure is that it adds another layer between the main coins from another user on. If the attack will then a link to their website the parent it would take especially if a market is to the main chain. Traditional banking functions like issuing its own separate value and can be tested on sidechains to pay the miners. If the security mechanisms for future holds and what other funding from investors in order. Him and the rest of become compromised, the sidechain can technology holds promise for massive will lose most of its. They add flexibility and allow transfer those coins back onto wouldn't necessarily solve any issue updates before pushing them on. Security is enhanced because all be tricked into crediting more see you next time.A sidechain is a mechanism that allows you to move your bitcoins to another, completely independent. jur.ports-betting-1.com › wiki › Sidechain. Could sidechains be the enabler of “semi-decentralised” Bitcoin products and services? An important paper was published this week: If you've.