🧪TestNet: Cassiopeia

Learn more about the Cassiopeia TestNet - our Orbit L2 based on Ethereum Sepolia - a place for developers and enthusiasts eager to dive into Galactica Network.

EVM Network Connection

Use these details to connect to the TestNet from Metamask, front-end and back-end services:

Field	Value
Network name	Galactica-Cassiopeia
RPC URL	https://galactica-cassiopeia.g.alchemy.com/public
WS URL	wss://galactica-cassiopeia.g.alchemy.com/public
EVM Chain ID	843843
Currency Symbol	GNET
Block explorer URL (optional)	https://galactica-cassiopeia.explorer.alchemy.com/

Galactica web application

The web application can currently be used to get your TestNet zkKYC and generate a zkProof proving its existence. On the TestNet no real data is required to pass the KYC, please use mock data where needed.

This application will be extended to support upcoming features: reputation, citizenship and governance.

Additional resources

Resource	Where
Faucet URL	https://faucet-cassiopeia.galactica.com/
Front-End App	https://cassiopeia.galactica.com/
Galactica development repository (ZK circuits, ZK lib, Snap, frontend examples)	https://github.com/Galactica-corp/galactica-monorepo
Explorer	https://galactica-cassiopeia.explorer.alchemy.com/
Native Bridge	https://portal.arbitrum.io/bridge?destinationChain=galactica-cassiopeia-testnet&sanitized=true&sourceChain=sepolia
Wrapped GNET	0x3CC60CeD9c4896B284EF6f95D14137945aA319fb
Example ZKP verifier contract (Cypherbook, age 18+, circom proof verifier)	0xFe19E7e3d44DDE8b427117D5577BD7008Ec151a4
Example zkKYC AgeProof contract (Cypherbook, age 18+, ZK proof wrapper)	0xaE914977390EFaaAd6761505731861b2E34ebB6a
Example DApp contract (Cypherbook, age 18+, DApp logic)	0xDf007Bc74d1Bec0AbE24Fa14C6225d423E9904aA
Verification SBT contract (Cypherbook, age 18+, soul-bound token)	0x00ee1DE618DE798B175Fc754A7964d61C54131dd
Poseidon Library	0x7f48eAe024c00a44F844CbFA25A40ccB502ae109
Multicall	0x37B8D1d8f7b718001ca4Ca1b2EC08010c16047Aa
GNET Staking	0xC0F305b12a73c6c8c6fd0EE0459c93f5C73e1AB3

ZK Certificate Smart Contracts

Use Case	Standard	Guardian Whitelist	ZkCert Registry
Smart Contract		ZkCertificate Guardian Whitelist contract	ZkCertificate registry contract
KYC	GIP1	0xBcf3641f4A4a0fF102F5800291f09e2Bd87c0a53	0xFe35EF5D1E8488a6b06BD35434613917e7d9760f
Arbitrary Data	GIP2	0x44eee00F52dbD226d99Bd9F53D6CD17d86cC72a6	0x0A4aEe7f225A8d25188D2Ef50bb74Fa13daa19Fb
Twitter / X	GIP3	0xBa7Eb6db891F6872A6ad43A97ef582B57E169063	0x325c958189b10d61db04042d12a33875B84E4fdF
Rey	GIP4	0x325c958189b10d61db04042d12a33875B84E4fdF	0x81F8f62A667B941E99A6F873833b389F63dd8C2F
Decentralized Exchange Data	GIP5	0xc5846427a39977C1EfB6420fD6770092f8f59864	0xf0c1F5e01c835cFE6348e8010314f06d2201c241
Centralized Exchange Data	GIP6	0xA4A3377d1198Edd7C871062e8C595768d2Ec0a10	0x09e51ddFfA18B6466F6B4F09e00977Db5A8478E6
Telegram	GIP7	0x9c9084293380b16389E1b14cEBd4e20DE9FD948c	0x4a4F5FeB7e5D0E2051B885D139E1adEE93052ec1