# Classic Vaults The Parallel Protocol's classic vaults smart contracts are open source on Github: * But also below : * [VaultCore](https://docs.parallel.best/developers-hub/parallel-v2/classic-vaults/vaultscore) * [Opening a Vault](https://docs.parallel.best/developers-hub/parallel-v2/classic-vaults/opening-a-vault) * [Borrowing and minting PAR/paUSD](https://docs.parallel.best/developers-hub/parallel-v2/classic-vaults/borrowing-and-minting-par-pausd)