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The Solid Card (Conceptual Overview)

Updated this week

How the Solid Card works

The Solid Card lets you spend your balance anywhere Visa is accepted.

Behind the scenes:

  • Your soUSD is converted to USDC when needed

  • Transactions settle on-chain

  • You don’t manage gas or bridges

From your perspective, it works like a normal card.


Card architecture (high level)

  • User funds live in a Safe smart account

  • Card transactions trigger secure settlement

  • Issuing & processing handled by licensed partners

  • Solid never takes custody of funds


Card limits & merchant rules (overview)

  • Daily spending limits apply

  • Certain merchant categories may be restricted

  • Limits depend on card tier and region

Full details are covered in the Using Solid → Card section.


Where the Solid Card is available

  • Virtual cards are available first in:

    • US

    • LATAM

    • Africa

  • More regions are coming

  • Europe & Asia are expected around Q1 2026

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