Overview

The Custodial Stack allows any non-web3 client to interact with smart contracts on any EVM chain. Such clients may include:

• USSD
• Telegram bots
• Websites
• Anything that talks HTTP

Below is a high level overview of how different components interact and make up the custodial stack:

Prerequisites

The following are required in preparation of running the custodial stack:

System requirements

• Stable internet connection
• Access to an Ethereum/EVM node with RPC and websockets enabled
• Atleast 2 GB of RAM (Approximate)

Chain requirements

• 1 Ether to setup the smart contracts
• EVM hardfork minimal requirement: Istanbul
• Instant finality recommended (no chance of block reorgs)