Confidential on-chain finance: why privacy is the missing layer

Confidential on-chain finance is the use of public blockchains to settle and transfer financial assets while keeping amounts, balances and positions private — typically via fully homomorphic encryption (FHE), which lets computers compute directly on encrypted data. It is the missing layer because public chains expose every transaction, and no serious institution will trade where rivals can read its book.

Why does blockchain's transparency block institutional finance?

The founding promise of public blockchains was radical transparency. Every balance, every transfer, every position is legible to anyone with a block explorer. For a censorship-resistant settlement network, that openness was a feature. For regulated finance, it is the single most disqualifying property the technology has.

Consider what transparency means for an asset manager. The moment a fund settles a position on a public chain, its competitors can reconstruct its strategy in real time — entry prices, size, timing, rebalancing. A corporate treasury cannot expose its cash position to suppliers and counterparties. A payroll cannot publish every employee's salary to the world. Markets depend on selective disclosure: you reveal to your auditor, your regulator and your counterparty, and to almost no one else. Public blockchains invert that logic. They reveal to everyone by default and to no one selectively.

This is not a marginal friction. It is the reason the largest pools of capital have treated on-chain settlement as a frontier curiosity rather than infrastructure. The opportunity is real — Ripple and Boston Consulting Group project the tokenised real-world-asset market could approach $19 trillion by 2033 (CoinDesk, 2025), and BlackRock, JPMorgan and Franklin Templeton are already running production deployments. But the same analysis flags the obstacles plainly: uneven regulatory progress, inconsistent custody, and — beneath it all — a privacy model that no fiduciary can accept. Transparency is the chokepoint. Confidentiality is the key.

What is confidential on-chain finance?

Confidential on-chain finance keeps the public ledger's settlement guarantees — finality, composability, auditability — while hiding the commercially sensitive data: who holds how much, who paid whom, and at what price. Crucially, it does this without asking participants to trust a private intermediary. The privacy is cryptographic, enforced by mathematics rather than by promises.

The distinction that matters is between anonymity and confidentiality. Earlier privacy efforts on blockchains tried to make actors untraceable — an approach fundamentally incompatible with anti-money-laundering law. Confidential finance does the opposite. Identities and audit trails can remain available to the parties who are legally entitled to them; it is the amounts and positions that are encrypted. That inversion is what turns privacy from a compliance liability into a compliance feature.

How does fully homomorphic encryption make confidential finance possible?

Most encryption protects data at rest and in transit, but demands decryption before anything can be computed. That gap — the moment data is exposed to be processed — is precisely where a public blockchain lives, because the network must verify every transaction.

Fully homomorphic encryption closes the gap. FHE allows computation to be performed directly on encrypted data, producing an encrypted result that, when decrypted, matches the result of the operation on the plaintext. The data is never exposed — not at rest, not in transit, and not during computation. A network of validators can confirm that a confidential transfer is valid, that balances reconcile, that limits are respected, all without ever seeing the underlying numbers.

For decades FHE was theoretically elegant and practically unusable — too slow by orders of magnitude. That has changed. The Paris-based cryptography company Zama, which became the first FHE unicorn after a $57 million Series B co-led by Pantera Capital and Blockchange Ventures in 2025 (CoinDesk, 2025), reports that its technology now runs roughly 100 times faster than at launch and is used by more than 5,000 developers (Tech.eu, 2025). Its Confidential Blockchain Protocol brings end-to-end encryption to EVM chains. FHE has crossed from whitepaper to deployable infrastructure.

The privacy stack at a glance

Standard public chains offer no protection — every amount, balance and position is visible to all. Anonymity approaches such as mixers and stealth addresses protect identity but break AML compliance, and amounts are often still visible. Zero-knowledge proofs validate claims without revealing inputs — powerful, but proving general computation on shared state is technically hard. Fully homomorphic encryption protects the data itself during computation, enabling nodes to compute on encrypted state while permitting selective disclosure to authorised parties.

This is not investment advice; the table describes technology categories, not securities.

Why is this Pyratz's strategic stake, not a side bet?

We do not write about confidential finance as observers. It sits at the centre of how we read the next decade — and we have a direct position in it.

Zama is a portfolio company of ours: a French deeptech that built the chokepoint layer the rest of the on-chain financial stack will depend on. That fits the thesis we set out in Asymmetric Innovation — Europe does not win by matching American and Chinese scale head-on, but by owning the chokepoints the whole stack runs through. FHE is exactly such a chokepoint: a hard cryptographic layer, deep in the stack, that confers leverage out of all proportion to its size.

We then went a step further than holding the position. Zama and PyratzLabs established Zaïffer, a joint venture for “confidential and compliant on-chain finance,” launched with €2 million of backing in late 2025 (DL News; Tech.eu, 2025). Zaïffer's core primitive is the confidential token — a token that conceals on-chain amounts while preserving the sender/receiver audit trail and enabling selective disclosure to exchanges, auditors and regulators. Its stated use cases are the unglamorous core of real finance: confidential swaps, payroll, treasury management and B2B settlement.

This is the operator-investor model in its purest form. We did not merely cut a cheque into a privacy company and wait. We co-built the venture that turns the cryptography into a financial product — because the thesis is only worth anything if someone ships it.

How does confidential finance set up the regulated-fund thesis?

The line from FHE to our own roadmap is short and deliberate.

Pyratz is in transition from a private venture builder to a listed, regulated investment firm. Our financial calendar anticipates a UCITS licence in Q4 2026 and our first asset-management fund shortly after, through our Stealth AM subsidiary. The end state we are building toward is a regulated fund that can hold and move tokenised assets on public infrastructure — with the confidentiality that fiduciary duty and competitive reality both demand.

That product is impossible on a transparent chain. A regulated fund cannot broadcast its positions; a regulated fund also cannot hide from its regulator. It needs exactly the property confidential on-chain finance provides: private to the market, legible to the auditor. FHE is the layer that reconciles the two. Owning a stake in the cryptography (Zama), co-building the financial primitive (Zaïffer) and standing up the regulated vehicle (Stealth AM, the UCITS fund) are three moves in one strategy — make frontier technology investable, operational and sovereign, from Europe.

Frequently asked questions

What is confidential on-chain finance?

Confidential on-chain finance is the settlement and transfer of financial assets on public blockchains while keeping sensitive data — amounts, balances and positions — private. It preserves a public ledger's finality and auditability but encrypts the commercial information that institutions cannot legally or competitively expose, typically using fully homomorphic encryption.

How is fully homomorphic encryption (FHE) used in finance?

FHE lets computers perform calculations directly on encrypted data without decrypting it. In finance, this means a blockchain network can validate transfers, reconcile balances and enforce limits while the underlying amounts stay encrypted end to end — enabling confidential payments, treasury operations and tokenised funds that remain private to the market yet auditable to regulators.

Why can't institutions just use existing public blockchains?

Public blockchains expose every transaction by default. For an asset manager, treasury or fund, that means competitors can reconstruct strategy in real time and confidential data becomes public. Combined with custody and regulatory gaps, this transparency is the principal reason large institutions have kept on-chain settlement at arm's length.

What is Zaïffer?

Zaïffer is a joint venture between Zama and PyratzLabs, launched in late 2025 with €2 million of backing, building confidential and compliant on-chain finance. Its core innovation is the confidential token, which hides on-chain amounts while preserving audit trails and allowing selective disclosure to auditors, exchanges and regulators.

How does this relate to Pyratz Corp.?

Zama is a Pyratz portfolio company, and Zaïffer is a Zama × PyratzLabs joint venture. Confidential on-chain finance underpins Pyratz's longer-term plan to launch a regulated, UCITS-licensed fund capable of holding tokenised assets privately on public infrastructure.

Follow our Insights and investor relations updates as the regulated-fund thesis takes shape, and read the strategic foundation in Asymmetric Innovation.

This is not investment advice. Pyratz Corp. (MLPTZ, ISIN FR0013371507) is listed on Euronext Access (Paris); trading has resumed on Euronext Access Paris, and nothing here constitutes a solicitation or a promise of returns.