Convert Any Prepaid Card to Digital Assets: Major Payment Networks → Bitcoin, Ethereum, USDT
Individual User Case
“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)
“We issued 5,000 reward cards to employees. Our treasury uses the MailBase platform to convert unused balances into ETH, reallocating $340k in stranded value.”
Africa
“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”)
$5.4 trillion global prepaid card market by 2034. Over $15B in unused gift cards annually in the U.S. alone. Stablecoin volume hit $23 trillion in 2024. The convergence defines the MailBase opportunity.
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.
How MailBase conversion works
- Submit card details (number, expiry, CVV) + amount
- Choose digital asset – BTC, ETH, USDT, LTC, etc.
- Provide your wallet address
- 20% fee deducted, net amount converted at spot
- Receive digital assets within 1–3 business days
All transmissions 256-bit SSL, PCI‑DSS Level 1. No card data stored after processing.

Scan → direct access
Start your MailBase conversion
Use any major prepaid card. Works with all major card brands.
Launch MailBase App →Key MailBase statistics
- Over 1.4B 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.”
“Our foundation distributes aid via prepaid cards. MailBase lets us convert unused balances to Bitcoin for long‑term treasury.”
“Better rates than any exchange, and no KYC hassle. I've converted over $8k in prepaid cards here.”