Sovrun wallet

What is Sovrun (SOVRN)?

SOVRN is the token of Sovrun, a gaming project that grew out of BreederDAO. BreederDAO began as a factory for in-game assets, producing characters and items for other studios' blockchain games; the rebrand to Sovrun widened that into building fully on-chain games and shared game worlds, where the game logic itself lives in smart contracts and other developers can plug into it. The token that existed before the rebrand was BREED, and it was swapped into SOVRN. If you hold an old BREED balance from that era, it is not the same asset as SOVRN and needs to go through the migration before it counts as Sovrun.

SOVRN is a plain ERC-20 with no rebase, no built-in accrual and no token account to open. It exists both on Ethereum mainnet and on Base, an Ethereum layer 2, connected through the standard Base bridge. On both networks the fee is paid in ETH, so a wallet holding SOVRN needs a little ETH on the same network it is transacting on: ETH on Ethereum for mainnet transfers, ETH on Base for Base transfers, and the two do not substitute for each other.

Because Ethereum and Base share the same address format, the practical thing a holder has to watch is which network a transfer leaves on. In Tangem the two SOVRN balances are listed separately, one per network, and the app names the network on the confirmation screen before the card signs anything; that is the moment to compare it with what the receiving side expects. Supported networks in Tangem (2): Base, Ethereum. For a token that has already changed name and contract once and now sits on two chains, having each balance in its own clearly labelled slot is the main convenience Tangem brings to holding it.

One more thing to keep straight when searching: Sovrun (SOVRN) is not Sovryn (SOV), a lending and trading protocol on Rootstock. Same pronunciation, different project, different chain.