Tokio (Testnet)

Purpose​

• Tokio is a Engram testnet program that was launched in September 2023

• Tokio primary purpose is to be a long-lived testnet with tooling for developers.

• Tokio is named from Tokyo and Mio (Mihama).

Validators​

• Tokio is optimized for testnet stability for developers, and has a semi-permissioned validator set similar to Ethereum's Sepolia testnet.

• Tokio is not intended for broad public validator participation, as frequent cycling of validators affect Testnet stability and make it unreliable for developers (e.g. Ethereum's Prater testnet)

• 64 validator keys were defined in the genesis of Tokio Beacon Chain for Gateway, Stryatum and Engram to run as validators

Public Participation​

• Community members can run a full node and go through the Tokio Chain as it happens

• 32 tGRAM is required to run a validator, similar to Ethereum Mainnet

• Requests for more token on Engie-Bot channel in Discord.

How to Participate​

• Running a Tokio node with Stryatum Execution Client.

Key Parameters​

Param	Value
Slot Time	12s
Epoch	32 slots
Staking Deposit	32 tGRAM on Tokio

Network Config​

Specification Config Repository​

Tokio maintains a Configs Repository that is the canonical source for Engram Networks.

Consensus Layer​

• config.yaml
• genesis.ssz
• Tokio Recommended Bootnodes

Execution Layer​

• genesis.json
• Tokio Recommended Bootnodes