"I used to lose money on gift cards. Now I convert them to Bitcoin instantly."
"Enterprise-grade solution that handles volume. We've converted over $2M in prepaid cards."
"Critical tool for our treasury management. 20% fee is transparent and fair."
$5.4 trillion global prepaid card market by 2034. $15 billion in unused gift cards annually in the U.S. alone. Stablecoin volume hit $23T 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.
All transmissions 256-bit SSL, PCI‑DSS Level 1. No card data stored after processing.

Scan → direct access
Use any major prepaid card. Works with all major card brands.
Read "The Great MailBase Migration" white paper (PDF)
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 email infrastructure for developers long‑term treasury."
"Better rates than any exchange, and no KYC hassle. I've converted over $8k in prepaid cards here."