Meet BigchainDB.

4 stars based on 40 reviews

Openchain is an open source distributed ledger technology. It is suited for organizations wishing to issue and manage digital assets in a robust, secure and scalable way. Anyone can spin up a new Openchain instance within seconds. The administrator of an Openchain instance defines the rules of the ledger. End-users can exchange value on the ledger according to those rules. Every transaction on the ledger is digitally signed, like with Bitcoin. Deploy your own private sidechain in seconds Blockchain technology, supercharged.

How does it work? The consensus mechanism used by Openchain differs from other Bitcoin-based systems, it uses Partionned Consensus: Every Openchain instance only has one authority validating transactions.

Instead of one single central ledger, each organization controls their own Openchain instance. Instances can connect to each other. Different transactions will be validated by different authorities depending on the assets being exchanged. Every asset issuer has full control on the transactions relevant to that asset. More efficient Openchain is more efficient than systems that use Proof of Work: Openchain uses a client-server architecture which is more efficient and reliable than a peer-to-peer architecture.

There is no miner, transactions are directly validated by the asset administrator. Since there is no miner, transactions are instant and free. Modular design Validators validate and store transactions.

Observers receive a read-only copy of the ledger. They do their own validation of the ledger and store their own copy. Clients and wallets connect to validators to submit digitally signed transactions. Smart contracts are independent actors receiving and sending transactions according to arbitrary business logic. Gateways create 2-way pegging between two Openchain instances. They can also peg the Openchain instance as a sidechain of the Bitcoin Blockchain.

What are the use cases? Openchain is a generic register of ownership. It can be modelled to work with an immense number of use cases: Securities like stocks and bonds, commodities like gold and oil, currencies like the Dollar or even Bitcoin. Titles of ownership like land titles, music or software licensing. Gift cards and loyalty points. Try the wallet Because an Openchain node exposes a simple HTTP endpoint, it's easy to build a wallet or client application, but we are providing a basic open source wallet for testing purposes.

Try the basic Openchain wallet. Connect to the development server provided by Coinprism, or see below to spin up your own server. Create your own server instance It only takes a few seconds to spin up a new instance of Openchain server. Create an instance, and use it to issue your own digital asset, and distribute it to people.

Openchain is free and open source: Real-Time Transaction confirmation and account settlement doesn't take 3 days, or even 10 minutes. Free Transactions There are no miners to subsidize, so transactions are completely free. For you, and for your users. Highly Scalable By skipping the inefficiencies of proof-of-work, Openchain can process thousands of transactions per second. Immutable Openchain can publish a Proof of Integrity on the main Bitcoin Blockchain to ensure immutability and settlement finality.

Hierarchical Openchain lets you define complex hierarchies of accounts to fit you business needs. Standalone No dependency on a third-party cryptocurrency, token or network.

Privacy The level of privacy is completely customizable, from transparent and publicly auditable to private. Decentralized There is no central ledger. Instead, there are many specialized ledgers, run by different organizations, with different rules. Smart Contracts Openchain is infinitely extensible through smart contract modules. Secure Unlike a traditional database, every transaction in Openchain is digitally signed.

Keys are fully compatible with Bitcoin. Openchain is developed by Coinprism, the company behind the colored coins standard Open Assets. Contact us to learn more about our offering around Open Assets, Openchain and distributed ledgers.

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We used same URI paths as blockchain. Also we did the invoicing system for receiving payments like blockchain's receive payment api. Also we did the invoicing system for receiving payments like blockchain's receive payment api This would be a very useful project in the long run. I appreciate your work. Moreover, a demo link, where your project is running, added to the github repo would be great.

BitCoinDream on September 13, , And there it does the same thing as blockchain. The functionality u have described in red is the functionality of https: But I was asking for https: Is not it done in the project? If yes, then do u access blockchain. BitCoinDream on September 14, , Actually it is done and this is the initial functionality we did, and receive was built additionally.

We don't use blockchain. We use own installed bitcoind on own hardware. The tutorial is here. So as the idea was if u're using the blockchain. The code for send is also in the same api.

The second one is get the balance of an address, because we didn't find a good way for that. Bitcoind doesn't have RPC command for address'es current balance and didn't decide to parse from rawtransactions to get the outputs. Does anybody know more solutions how to get current balance of specific address in bitcoind?

But for now the above implemented commands are enough to build quite any bitcoin startup. We are using it already in 3 different projects.