Ethereum Startup Parity Launches DIY Blockchain Tool Substrate

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Parity Technologies has launched Substrate, a tool that lets users
create customized blockchains for decentralized applications.
The firm announced Tuesday that Substrate is now available as a
beta version, adding that the open-source tech was designed to be
“as generic as possible” to allow flexibility when designing
blockchains. The included API also lets users create their own
consensus mechanism or they can utilize “most” existing
algorithms.
Substrate is integrated with the firm’s blockchain interoperability
protocol Polkadot and is written in the programming language
Rust, while a JavaScript implementation can run in web browsers.
Ethereum co-founder and Parity Technologies founder Gavin Wood
said:

“Substrate takes all of our lessons learned in building Ethereum
and Polkadot and distills that down into a stack of tooling that
allows you to get all of those same rewards.”

Substrate is currently licensed under the GNU General Public
License (GPLv3), Parity said, but it is planning to move to the
Apache 2.0 open-source license for “maximum developer
freedom.” Apache 2.0’s “widely permissive nature” will also
encourage Fortune 500 companies to adopt the technology, the
firm said.
With Substrate, said Wood, “you don’t have to know everything,
you don’t have to do everything to develop your whole new
blockchain, but you can do just enough that you do have a
domain-specific chain, that has its own parameterization, and its
own features that allow you to get a particular job done.”
Parity first revealed the pending release of Substrate back in
October at the Web3 Summit in Berlin. The firm also added an early
version of ethereum’s Casper code change to Substrate in the
same month. The code contains a mechanism to transition to the
“Shasper” upgrade, which combines ethereum’s in-house scaling
solution, sharding, alongside its proof-of-stake consensus switch,
Casper.

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