Share this article

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.

Updated Sep 14, 2021, 9:41 a.m. Published Aug 6, 2020, 6:30 p.m.
(David Clode/Unsplash, modified by CoinDesk)
(David Clode/Unsplash, modified by CoinDesk)

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."

STORY CONTINUES BELOW
Don't miss another story.Subscribe to the The Protocol Newsletter today. See all newsletters

  • 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.

Read more: Polkadot Raises $43M in 72-Hour Private Sale: Source

More For You

Protocol Research: GoPlus Security

GP Basic Image

What to know:

  • As of October 2025, GoPlus has generated $4.7M in total revenue across its product lines. The GoPlus App is the primary revenue driver, contributing $2.5M (approx. 53%), followed by the SafeToken Protocol at $1.7M.
  • GoPlus Intelligence's Token Security API averaged 717 million monthly calls year-to-date in 2025 , with a peak of nearly 1 billion calls in February 2025. Total blockchain-level requests, including transaction simulations, averaged an additional 350 million per month.
  • Since its January 2025 launch , the $GPS token has registered over $5B in total spot volume and $10B in derivatives volume in 2025. Monthly spot volume peaked in March 2025 at over $1.1B , while derivatives volume peaked the same month at over $4B.

More For You

Coinbase Expands Reach of Stablecoin-Based AI Agent Payments Tool

Coinbase (appshunter.io/Unsplash/Modified by CoinDesk)

The updated protocol, x402 V2, allows developers to combine payments, enable secure wallet access, and add new features via a clean, modular design.

What to know:

  • Coinbase has released the latest version of its stablecoin-based payments protocol for AI agents, making it easier to extend and plug in the autonomous payments system.
  • The new version adds wallet-based identity, automatic API discovery, dynamic payment recipients, and support for more chains and fiat.