NOTE: Credits to our team , community , and especially Ethan Buchman for the hard work in making this release possible (and most of this post, to be honest). Tendermint 0.8.0 is the culmination of four months of work, providing many new features and vastly improved stability for network deployments both big and small. See the for more details. v0.8.0 release notes The interface between Tendermint and the application, previously (TMSP), is now called ( Tendermint Socket Protocol Asynchronous Blockchain Interface ABCI ). One of Tendermint’s unique advantages is its ability to support applications written in any programming language. It does this by employing a socket protocol, known as the , or TMSP. While we’ve become comfortable with the acronym TMSP, we are changing the name to a more backend-agnostic “ABCI” (short for , or alternatively, ) to emphasize its purpose to serve as a general interface between any BFT consensus engine and any application. With this name change, we are signalling to the community that we are committed to designing protocols that benefit the entire blockchain ecosystem. We expect to see other consensus engines adopt the ABCI in the , whether they be based on Tendermint, Raft, or any other fault-tolerant consensus algorithm. Tendermint Socket Protocol Asynchronous Blockchain Interface Atomic Broadcast Interface future ABCI: works-in-process, with Sockets, or with GRPC Applications that implement the ABCI in Golang can continue to be compiled with Tendermint as a single binary. Applications written in other languages such as Python, Java, or JavaScript can connect with the Tendermint process via a network or Unix socket. With 0.8.0, applications can now also expose ABCI endpoints via Google’s GRPC, which may enable faster prototyping for a wide variety of languages. For non-Golang applications that require high throughput, developers are encouraged to use ABCI-over-sockets, since transactions can be pushed to the application asynchronously in order. Due to a design limitation of GRPC, ABCI-over-GRPC delivers messages synchronously, so it should only be used for initial proof-of-concepts, or applications that don’t require high transaction throughput. For more details, see our . guide on app development and the ABCI Persistence and Handshakes Prior versions of Tendermint did not handle application state persistence well. That is, when a Tendermint node restarted, it had to re-run all the transactions of the locally stored to get back in sync. This served our users well for proof-of-concept builds, but obviously that doesn’t work for production systems. blockchain With the 0.8.0 release, we’ve implemented an ABCI handshake protocol that lets the application tell Tendermint which blocks it already knows about. Thus, upon a restart of either Tendermint, the application, or both, only the most recent blocks need to be pushed to the application. This marks a major milestone, allowing Tendermint to be used for actual production environments. In fact, in late 2016 we successfully completed a production deployment of a voting blockchain application with . This was the first production run of the software, and it went off without a hitch, processing over 1.5 million votes over two months on an 8-node cluster on AWS. Votem Cosmos and Basecoin , the “Internet of Blockchains”, is a network of public and private blockchains. The essential public blockchains of Cosmos, including the Cosmos Hub and the Cosmos DEX (distributed exchange), are ABCI applications powered by Tendermint. Staying true to good software engineering principles, we intend to build these applications out of smaller modules, the basis of which we call . Cosmos Basecoin Basecoin is a simple multi-asset cryptocurrency that forms the foundation for what will eventually become the Cosmos Hub. It is an ABCI app written in Golang, featuring Ethereum-like accounts with a simple plugin architecture that makes it very easy to extend. Its purpose is to be both a baseline cryptocurrency for other implementers to fork from, and a base module for paying fees in more complex state machines. So, if you want to create a new public cryptocurrency application in Golang with experimental features, or perhaps create a private/consortium blockchain application that requires users to pay fees, consider starting with Basecoin! For more details on the design and use of Basecoin, see . our latest blog post Tendermint Roadmap Here are some of the items up next on our stack: Update ABCI to include vote information (e.g. evidence of double-signing) Update ABCI to support light-client queries Implement transaction indexing and querying Secure the RPC server Better Basecoin guides, documentation, and tooling Implement Inter-Blockchain Communication (IBC) as a Basecoin plugin. To find out more, check out , follow us on , or ask us questions directly on . our GitHub issues Twitter our Slack is how hackers start their afternoons. We’re a part of the family. We are now and happy to opportunities. Hacker Noon @AMI accepting submissions discuss advertising &sponsorship To learn more, , , or simply, read our about page like/message us on Facebook tweet/DM @HackerNoon. If you enjoyed this story, we recommend reading our and . 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