Polkadot Releases Rococo, Its Test Environment for Interoperable 'Parachains'

Polkadot has released its first testnet, Rococo, for its parachain network. The testnet will commence with three parachains, Parity Technologies said.

Aug 6, 2020 at 6:30 p.m. UTC
Updated Sep 14, 2021 at 9:41 a.m. UTC

Parity Technologies' Polkadot has launched a testnet, Rococo, of the protocol’s first parachain specification, according to a blog Thursday. Parachains underlie Parity Tech’s vision of a "protocol for protocols."

  • Rococo allows developers to “register” a Substrate-based blockchain as part of Polkadot’s grander parachain network.
  • Substrate is a blockchain building kit for other networks to interoperate as a Polkadot parachain.
  • Rococo is the first test of inter-blockchain communication through its Relay Chain logic.
  • Rococo launched as a Proof-of-Authority (PoA) network under the governance of Parity Technologies. The testnet will begin with three parachains, the firm said.
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