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Adriaan Brink’s iCoins: A Digital Cash Vision That Came True

by Ian Sherrington, April 2025

Click here to open a restored copy of the iCoins website.

When Adriaan Brink created iCoins,com in the early 2000’s, he envisioned a form of digital cash for the 21st century — one that captured the best aspects of physical cash while adapting it to the needs of an online world.

Reading through the original iCoins description, it’s striking how many of the issues he identified — and solutions he proposed — remain at the heart of digital money today.

Yet, in many critical ways, the world of modern cryptocurrencies like Bitcoin, Ethereum, and stablecoins have taken very different paths.

Let’s explore the similarities, the differences, and the ways iCoins was, in many respects, ahead of its time.

Ownership and Simplicity

iCoins Concept:

“Fundamental to any digital cash system is that the tokens only have a single owner at any one time but can change hands with little complexity.”

Today: This matches perfectly with how blockchain-based cryptocurrencies work:

  • A coin or token is owned by whoever controls the private key to its wallet.
  • Transfers are simple, usually just requiring the recipient’s address and a network confirmation.

Difference: Where iCoins envisioned interoperable wallets (like bank accounts), today’s crypto wallets are often siloed by chain (e.g., Ethereum wallets can’t send Bitcoin directly without third-party services).

iCoins’ emphasis on ease and interoperability still hasn’t been fully solved in crypto today.

Backing and Security

iCoins Concept:

“iCoins are 100% secured by the underlying treasuries.”

Today: Most cryptocurrencies, especially Bitcoin and Ethereum, are not backed by anything except trust a decentralized consensus supported by a lot of complex mathematics. However:

  • Stablecoins (like USDC, USDT) are backed by real-world assets — exactly the model iCoins proposed.
  • Regulation around stablecoins today is starting to resemble iCoins’ vision of licensed, well-capitalized issuers.

Difference: Adriaan Brink clearly foresaw the need for trustworthy backing — while much of the crypto world initially embraced the idea of being “backed by math,” today’s market demands real collateral, especially after collapses like Terra/Luna.

Privacy and Traceability

iCoins Concept:

“iCoins provide an anonymous transfer mechanism but retain an audit trail for anti-money laundering.”

Today: Cryptocurrencies are typically:

  • Pseudonymous, not fully anonymous (Bitcoin transactions are public but not tied to identities).
  • Traceable with blockchain analytics tools.

Privacy coins like Monero and Zcash try to provide true anonymity but are under heavy regulatory scrutiny.

Difference: iCoins’ hybrid model — private transfers but auditable when needed — is still a “holy grail” in crypto discussions today (e.g., ideas like “zero-knowledge proofs for compliance”).

Adriaan Brink intuitively balanced individual freedom with legal oversight years before these debates became mainstream.

eWallet Addressing and Interoperability

iCoins Concept:

“iCoins provides an addressing system like SWIFT/IBAN so that any enabled wallet can send and receive.”

Today:

  • Crypto still suffers from incompatibility between wallets and blockchains.
  • Projects like ENS (Ethereum Name Service) or Unstoppable Domains attempt to simplify addressing, but there’s no universal system.
  • Cross-chain interoperability (via bridges and swaps) is clunky and sometimes insecure.

Difference: Adriaan Brink envisioned an open, standardized addressing system from the start — something still missing today.

Instant Transfers and Settlement

iCoins Concept:

“iCoins provide instant fund transfers between disparate wallet systems.”

Today: Blockchain settlement times vary:

  • Bitcoin takes ~10 minutes per block.
  • Ethereum is faster but still not instant unless you use Layer 2 solutions like Optimism.
  • Newer blockchains (Solana, Avalanche) offer near-instant finality.

Difference: iCoins’ goal of instant, seamless transfers mirrors what crypto is still trying to achieve — especially with innovations like Layer 2 scaling and cross-chain bridges.

Integrity and Financial Stability

iCoins Concept:

“Integrity of the digital cash is paramount. Consumers must be protected from the financial stability of the company.”

Today:

  • After scandals like FTX, trust and integrity are bigger issues than ever in crypto.
  • Regulators are now demanding that stablecoin issuers and exchanges prove reserves and maintain proper licensing.

Difference: Adriaan Brink’s early insistence on licensed treasuries, face value redemption, and legal compliance anticipated the very problems that plague the industry today.

10 great reasons to use iCoins
  1. Freely transferable
  2. Guaranteed at Face Value
  3. Anonymous
  4. Legal
  5. Fast
  6. Easy to use
  7. Regulated to top International Standards
  8. No bank account required
  9. No credit card required
  10. Broadens a merchants potential market

Conclusion

iCoins was not a cryptocurrency — but it captured many of the philosophical and technical ideas that crypto is still trying to master two decades later.

Where cryptocurrencies pursued decentralization and revolution, iCoins pursued pragmatic evolution: A safer, interoperable, user-centric digital cash that worked within the legal and financial systems rather than outside of them.

In many ways, Adriaan Brink’s vision wasn’t just prescient — it was a more mature version of digital cash than most cryptocurrencies offer even today.

iCoins may not have taken over the world, but the world is still catching up to its ideas!


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