# Security

## [SwissBorgToken.sol](/borg-migration/technical-documentation/swissborgtoken.sol.md)

The token contract is immutable and has no roles defined.

## [ChsbToBorgMigrator.sol](/borg-migration/technical-documentation/chsbtoborgmigrator.sol.md)

The migrator can be upgraded and has two roles defined:

\- **`owner`**: **which can upgrade the contract and set a new manager.**

 The owner will be a 5-out-of-7 multisig. The signers are part of the SwissBorg ecosystem.

\- **`manager`**: **which can pause the migration.**

 The manager will be a 3-out-of-5 multisig. The signers are also part of the SwissBorg ecosystem.

The addresses of all contracts, including the multisigs are on this page:

{% content-ref url="/pages/Xoj9Jbzg3BUgGtoqn0xz" %}
[Contract Addresses](/borg-migration/contract-addresses.md)
{% endcontent-ref %}


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