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Radix [ /rædɪks/ ] (Native asset: $XRD; sign: √ ) is a pre-sharded, full-stack, decentralized finance (DeFi) layer-1 (L1) protocol founded by Dan Hughes.

An associated cryptocurrency was launched in November 2020 as a price-vested ERC-20 token ($eXRD) on the Ethereum network. $eXRD was superseded by native $XRD in July 2021 with the launch of Radix’s Olympia Mainnet.

Radix has been designed to address the requirements of DeFi, including fast, parallel consensus, decentralized applications, & atomic composability.

Radix: #Breakout2024

Radix: #Breakout2024

DEVELOPMENT
Founded https://radixdlt.notion.site/History-of-Radix-2ad841cd68f046b2b6a04c3dcf4df17d
Founder https://radixdlt.notion.site/Dan-Hughes-ce73c8c28e8446b5b4e8d997f8be3d98
Whitepapers https://assets.website-files.com/6053f7fca5bf627283b582c2/6088147cbbc08674b4975349_Economic-2020-V10.4.pdfhttps://uploads-ssl.webflow.com/6053f7fca5bf627283b582c2/61d5a4583aad156a094c5628_Radix DeFi White Paper v2.05.pdf
https://assets.website-files.com/6053f7fca5bf627283b582c2/608811e3f5d21f235392fee1_Cerberus-Whitepaper-v1.01.pdf
https://escholarship.org/uc/item/6h427354
Code Repository https://github.com/radixdlt
Current Release https://radixdlt.notion.site/Radix-Mainnet-Babylon-2cdc168d56e04787a9f412c23560c4b0
Antecedent https://radixdlt.notion.site/Radix-Developer-Environment-Alexandria-ab78b3f478594b4d8905360c2fade517
Postcedent https://radixdlt.notion.site/Radix-Mainnet-Xi-an-418efbf845b84e738d75056684decf96
STACK
State Model https://radixdlt.notion.site/Sharding-6b6dc10c1f83403d8dfb0559dc925eb9
Sybil Protection https://radixdlt.notion.site/Delegated-Proof-of-Stake-DPoS-fc3306406d144989a939225006134cd9
Consensus Protocol https://radixdlt.notion.site/Cerberus-Consensus-Protocol-d5755bce114d42e781128ee6a5603dcd
Execution Environment https://radixdlt.notion.site/Radix-Engine-1cd101cd52264df9806d63da555d5828 v2
Language https://radixdlt.notion.site/Scrypto-Programming-Language-2d69fe4f8bf24d6491c7af567faecaaa
Networking https://github.com/radixdlt/node-runner/releases
LEDGER
Explorer https://www.radixscan.io/
Native Asset https://radixdlt.notion.site/XRD-Token-a96aab3b1e6b4f52b839a0cb00dbcafe
Supply Limit https://www.coingecko.com/en/coins/radix
Max. tps https://www.radixdlt.com/post/scaling-dlt-to-over-1m-tps-on-google-cloud (2019/08/28 https://radixdlt.notion.site/Tempo-Consensus-Mechanism-cc66e55fbb6f46a990ff7b9088318f39)

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Development History

Main article: History of Radix

Since the Radix Production Network (RPN) naming convention was dropped, all releases have been named after wonders of the ancient world, expanded beyond the traditional Seven Wonders to include Xi’an, a city in China where the Terracotta Army was found.

A test on a 2019 implementation called Tempo achieved over 1.4m tps on 1187 nodes.

Tests using Radix’s Cassandra cross-shard, atomically composable testnet and the Cerberus consensus mechanism have shown promise in being able to host and serve website data as well as ledger state:

There’s a possibility that in some circumstances the actual content retrieval could maybe even outperform traditional centralized web servers because it’s automatically distributed; it’s load balanced.” - Dan Hughes, YouTube

Olympia

Main article: Radix Mainnet (Olympia)

Olympia was the first Radix Mainnet. It was released on the 28th of July, 2021 and was the first implementation of the Radix Engine execution environment, the Cerberus consensus protocol, and the native $XRD token.

Alexandria

Main article: Radix Developer Environment (Alexandria)

Alexandria was a major upgrade that occurred during December 2021 that provided preliminary tools for building blueprints and components using the Scrypto language.

Babylon (live)

Main article: Radix Mainnet (Babylon)

The Babylon release debuted blueprints and components / smart contracts, allowing true decentralized apps (dApps) on Radix.

Xi’an

Main article: Radix Mainnet (Xi’an)

From the Xi’an release, Radix will use a fixed shard space of 2^256 shards, with responsibility over the shard space orchestrated by an uncapped number of validator sets called shard groups, allowing transaction throughput to scale linearly with the number of nodes.

This upgrade will add the fully sharded Cerberus consensus mechanism allowing for linear scaling over time.