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Deliver faster results for rapid experimentation and leverage a trusted blockchain network for mission-critical deployments.</p> <div class="obttns"> <div><a href="https://www.oracle.com/webfolder/s/assets/ebook/developing-dapps-oracle-blockchain/index.html">Read the ebook</a></div> </div> </div> </div>   <img class="rh03img2" src="/a/ocom/img/rh03v3-devo-set-c-slate-150.png" alt=""> </div> </section>       <section class="rc12 rc12v0 cpad rw-slate-170bg" data-trackas="rc12" data-ocomid="rc12"> <div class="rc12w1 cwidth"> <h2 class="rw-ptitle" id="featured-label">Blockchain basics</h2> <div class="col-framework col2 col-gutters"> <ul class="col-w1" aria-labelledby="featured-label"> <li class="col-item rw-slate-140bg"> <div class="col-item-w2"> <div class="rc12info"> <div class="rwhead-xsm">Get started with blockchain</div> <p>A blockchain platform lets you build a distributed ledger so organizations can share data and run transactions without intermediaries. 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Based on the open source Hyperledger Fabric, Oracle鈥檚 blockchain service provides enterprise-grade performance, prebuilt integrations, and more. </p> </div> <ul><li><a href="/cloud/free/" data-lbl="try-blockchain">Try Oracle Blockchain </a></li></ul> </div> </li> <li class="col-item rw-slate-140bg"> <div class="col-item-w2"> <div class="rc12info"> <div class="rwhead-xsm">How to develop smart contracts</div> <p>A smart contract (also called a chaincode) is a program written in Go or Node.js that鈥檚 a critical element of blockchains. A chaincode is installed on the network鈥檚 peer nodes, instantiated on (or bound to) a channel, and invoked by an application through a client SDK or REST proxy. When invoked, the chaincode initializes and manages the ledger state.</p> </div> <ul><li><a href="https://hyperledger-fabric.readthedocs.io/en/latest/smartcontract/smartcontract.html" target="_blank" data-lbl="download=blockchain">Download the Hyperledger Fabric Mock Shim Stub to Compile, Run, and Execute Chaincode Tests </a></li></ul> </div> </li> </ul> </div> </div> </section>     <section class="rc47 rc47v0 cpad rw-slate-170bg" data-ocomid="rc47" data-a11y="true"> <div class="rc47w1 cwidth"> <header class="rw-ctitle"> <h2 class="rw-ptitle">Featured videos</h2> </header> <div class="col-framework col3 col-gutters"> <div class="col-w1"> <div class="col-item"> <div class="col-item-w1"> <div class="ytembed ytvideo ytthumbnail" data-ytid="EfiMTnqaito" data-thumbq="max" aria-label="Revolutionizing Java-Based Applications"></div> </div> <div class="col-item-w2"> <div class="rwhead-sm"> Oracle Blockchain Testimonial (3:18)</div> </div> </div> <div class="col-item"> <div class="col-item-w1"> <div class="ytembed ytvideo ytthumbnail" data-ytid="wDrYM9ecYz4" data-thumbq="max" aria-label="A 1.5MB Java Container App? 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