Mainnet Swap
Web3 / tokenomics
A mainnet swap is the process of migrating a project's token from a temporary or placeholder blockchain to its own newly launched mainnet. During development, projects typically issue ERC-20 tokens on Ethereum or other established networks to facilitate fundraising and early community building. Once their proprietary blockchain reaches production readiness, the project conducts a token swap where users exchange their old tokens for equivalent native tokens on the new mainnet. This migration often involves a one-time conversion event with a specified deadline, and holders must actively participate or risk losing access to their tokens.
Example
The Cosmos Hub conducted a mainnet swap in March 2019, converting ATOM ERC-20 tokens held on Ethereum into native ATOM tokens on the newly launched Cosmos mainnet, marking the transition from testnet to full operational status.
Why It Matters
Mainnet swaps establish the canonical token for a blockchain ecosystem and consolidate liquidity on the native network. This migration event is critical for bootstrapping on-chain activity, determining final token distributions, and signaling technical readiness to markets and users.
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