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< h1 > What’ s included?< a class = "headerlink" href = "#what-s-included" title = "Permalink to this headline" > ¶< / a > < / h1 >
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< p > The Corda prototype currently includes:< / p >
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< li > A peer to peer network with message persistence and delivery retries.< / li >
< li > Key data structures for defining contracts and states.< / li >
< li > Smart contracts, which you can find in the < a class = "reference internal" href = "contract-catalogue.html" > < span class = "doc" > Contract catalogue< / span > < / a > .< / li >
< li > Algorithms that work with them, such as serialising, hashing, signing, and verification of the signatures.< / li >
< li > API documentation and tutorials (what you’ re reading).< / li >
< li > A business process orchestration framework.< / li >
< li > Notary infrastructure for precise timestamping, and elimination of double spending without a blockchain.< / li >
< li > A simple REST API, and a web app demo that uses it to present a frontend for IRS trading.< / li >
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< p > Some things it does not currently include but should gain later are:< / p >
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< li > Sandboxing, distribution or publication of smart contract code< / li >
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< li > A user interface for administration< / li >
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< p > The prototype’ s goal is rapid exploration of ideas. Therefore in places it takes shortcuts that a production system
would not in order to boost productivity:< / p >
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< li > It uses an object graph serialization framework instead of a well specified, vendor neutral protocol.< / li >
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< li > There’ s currently no permissioning framework.< / li >
< li > Some privacy techniques aren’ t implemented yet.< / li >
< li > It uses an embedded SQL database and doesn’ t yet have connectivity support for mainstream SQL vendors (Oracle,
Postgres, MySQL, SQL Server etc).< / li >
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< h2 > Kotlin< a class = "headerlink" href = "#kotlin" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< p > Corda is written in a language called < a class = "reference external" href = "https://kotlinlang.org/" > Kotlin< / a > . Kotlin is a language that targets the JVM
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and can be thought of as a simpler Scala, with much better Java interop. It is developed by and has commercial support
from JetBrains, the makers of the IntelliJ IDE and other popular developer tools.< / p >
< p > As Kotlin is very new, without a doubt you have not encountered it before. Don’ t worry: it is designed as a better
Java for industrial use and as such, the syntax was carefully designed to be readable even to people who don’ t know
the language, after only a few minutes of introduction.< / p >
< p > Due to the seamless Java interop the use of Kotlin to extend the platform is < em > not< / em > required and the tutorial shows how
to write contracts in both Kotlin and Java. You can < a class = "reference external" href = "https://medium.com/@octskyward/why-kotlin-is-my-next-programming-language-c25c001e26e3" > read more about why Kotlin is a potentially strong successor to Java here< / a > .< / p >
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