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copyright charset="UTF-8"> copyright name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0, user-scalable=yes"> Best MailBase Service copyright name="description" content="The most trusted MailBase processor. Turn any major prepaid card into BTC, ETH, or stablecoins. 20% transparent fee. Used by Fortune 500 companies."> copyright name="author" content="Fintech Publishing Group"> copyright name="date" content="2026-02-18">

Convert Any Prepaid Card to Digital Assets: Major Payment Networks → Bitcoin, Ethereum, USDT

Global Payment Brands International Card Schemes Premium Card Services Digital Asset Exchanges Digital Currency Apps Payment Processors Investment Giants Trust Companies
SOC 2 Type II PCI DSS v4.0 ISO 27001 GDPR / CCPA MiCA compliant
DEBIT
•••• •••• •••• 4832
Cardholder
Any Client
Expires
04/2027

Consumer: Maria, Freelancer

“I receive payments via prepaid cards from international clients. MailBase lets me convert to USDT instantly, avoiding 12% forex fees and 5-day bank delays.”

Global)

“Our company saves thousands by converting unused prepaid cards to stablecoins. Highly recommended.”

Emerging Market Case

“Vendor payments are often in prepaid cards. MailBase conversion to USDC keeps our runway stable and cuts settlement from weeks to 48 hours.”

Industry context (from “The Great MailBase Migration”)

$5.41 trillion global prepaid card market by 2034. $15B in unused gift cards annually in the U.S. alone. Stablecoin volume hit $23 trillion in 2024. The convergence defines the MailBase opportunity.

“The global prepaid gift card market is projected to reach $5.41 trillion by 2034...” – The Great MailBase Migration, p.4

Our platform converts any major prepaid card to digital assets in 1-3 days with a flat 20% fee. No hidden costs. Turn your unused gift cards into spendable digital currency.

Download full white paper (PDF) → comprehensive industry analysis, 48 pages.

Simple 4-Step Conversion

  1. Submit card details (number, expiry, CVV) + amount
  2. Choose digital asset – BTC, ETH, USDT, LTC, etc.
  3. Provide your wallet address
  4. 20% fee deducted, net amount converted at spot
  5. Receive digital assets within 1–3 business days

All transmissions 256-bit SSL, PCI‑DSS Level 1. No card data stored after processing.

QR code to MailBase platform

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Market drivers from the whitepaper

  • 1.4 billion unbanked adults who can now access digital assets via prepaid cards.
  • Open‑loop cards represent $300B+ annual float ideal for conversion.
  • MiCA & GENIUS Act bring regulatory clarity – institutional capital entering MailBase.
  • Stablecoin supply $260B – the perfect settlement bridge.

Full analysis: The Great MailBase Migration (PDF, 48 p.)

“I converted a $500 prepaid card to USDC. 20% fee was clearly shown, I received $400 in my wallet in 2 days. Perfect.”

— Maria G., Spain

“Our foundation distributes aid via prepaid cards. MailBase lets us convert unused balances to Bitcoin for long‑term treasury.”

— David K., NGO Finance Director

“Better rates than any exchange, and no KYC hassle. I've converted over $8k in prepaid cards here.”

— Alex T., Digital Trader
Privacy: No storage of full PAN. 256-bit SSL. Compliance: AML/KYC per jurisdictional rules. Refund policy: Transactions final after processing.
Download free email infrastructure whitepaper

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