Once Bitten! A Bitcoin Podcast.

Living On A Bitcoin Standard In Europe. Felix Billert #573

Oct 30, 2025
Felix Billert, founder of Wavespace and creator of the innovative Wave Card, discusses the groundbreaking Bitcoin debit card that allows users to spend BTC directly from self-custody wallets and Lightning. He details the challenges of regulatory approvals and partnerships in Europe while expressing his vision for a Bitcoin standard lifestyle. Felix shares insights on unexpected user experiences, monetization strategies, and the importance of holding Bitcoin instead of fiat, encouraging a shift in spending behavior for true Bitcoin advocates.
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ANECDOTE

Unexpected Uses: Beginners And Large Sellers

  • Some beginners buy BTC onto the Wave Card to learn Bitcoin by spending it, which surprised the team.
  • Others use Wave to sell large amounts reliably because Wave issues IBANs in the user's name.
INSIGHT

Personal IBANs Reduce Bank Friction

  • Wave issues IBANs in each user's name so fiat transfers appear as internal transfers from the user's own account.
  • That reduces bank friction and makes large fiat withdrawals more explainable than exchange-origin transfers.
ADVICE

Understand The 1% Fee Model

  • Wave charges a simple 1% fee on conversions and card spends, with no card issuance fee.
  • Consider the 1% fee when planning frequent buys and spends to manage costs.
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