The Solid Card (Conceptual Overview)

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