What are DopeCards?

DopeCards are programmable NFC cards that extend the Stableyard network into the physical world. They serve three independent use cases depending on deployment.

Use Cases

Onboarding Cards

Gift cards and event cards for user acquisition

Auth Keys

Physical authorization for Money Accounts

Wallet Signers

Intent signing for developers and agents

1. Onboarding Cards (Gift/Event)

Physical cards for simple, offline-to-online user onboarding.

Designed For

ContextExample
EventsHackathons, conferences
RetailStore promotions
TourismHotel welcome gifts
MarketingBrand campaigns

Capabilities

  • Preload small stablecoin amount
  • Tap-to-activate onboarding flow
  • Auto-creates or links Money Account
  • Convert offline users to active app users

Flow

Business Model

RevenueDescription
ProductionCard manufacturing cost
ActivationPer-card activation fee
CampaignCustom branding packages

2. Authorization Keys

DopeCards as a secure physical factor for Money Accounts.

Use Cases

ScenarioDescription
Second FactorRequire tap for large transfers
In-Person ApprovalMerchant payment confirmation
Business AccountsMulti-party authorization
Device LossRecovery via physical card
High-ValueExtra security for big transactions

How It Works

The card acts as:
  • Portable signing key
  • Secure backup credential
  • Programmable auth object
Stableyard maps: DopeCard → Money Account → Wallet Intent

Security Model

LayerProtection
PhysicalCard must be present
CryptographicSecure element signing
PolicyOn-chain rule enforcement

3. Wallet Intent Signer

DopeCards as developer-facing signing devices.

Functions

FunctionDescription
Intent SignerSign wallet intents
Agent ApprovalAuthorize agent banking flows
Embedded KeyProgrammable flow execution
Offline SignerWorks without internet
POS CredentialStored signer for terminals

Developer Use Cases

ContextUsage
MerchantsPOS authorization
AgentsB2B settlement approval
KiosksAutomated checkout terminals
OfflineLow-connectivity regions

Offline Capabilities

DopeCards enable:
  • Offline spending
  • Offline approvals
  • Offline transfers via signed proofs
  • Hybrid mesh + NFC flows

Integration with Stableyard

DopeCards connect directly to:
ComponentIntegration
Money AccountsBalance and identity
DopePayConsumer app
Merchant DashboardBusiness controls
Developer SDKsProgrammatic access
x402+ EngineIntent execution

Actions via DopeCard

  • Pay
  • Request
  • Verify
  • Approve
  • Settle
  • Reauthorize
  • Create deposit addresses
  • Sign messages

Why This Matters

New Revenue

Production, activation, enterprise deals

Distribution

Events, retail partners, wallets

Offline Access

Works in low-connectivity regions

Trust Building

Physical token for first-time users

Target Partners

Partner TypeValue Prop
POS ProvidersHardware differentiation
BanksCrypto-fiat bridge
Fintech AgentsPhysical authorization
Tourism BoardsTraveler onboarding
Event OrganizersAttendee engagement
Consumer Apps”Crypto without crypto UX”
Next: Learn about Agent Banking — B2B settlement and programmable flows.