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Smart Contracts under Slovak Law

Smart Contracts under Slovak Law in practice

A smart contract is a program on a blockchain that carries out an agreed step on its own, such as releasing a payment once a condition is met. Under Section 34 of the Slovak Civil Code, though, it is not a legal act in itself. The contract arises from the parties' agreement and the code merely executes it. If code and agreement diverge, a court looks at what the contract says, not at what the program did. A project built on smart contracts therefore needs a well-drafted contract too.

We design a hybrid structure: an off-chain contract with the full legal terms and a reference to the code that performs selected steps. We add provisions on bugs in the code, external data sources (oracles) and dispute resolution. Together with the technical audit we check that the code does what the parties agreed and that it does not amount to a service requiring MiCA authorisation.

What we help with

  • Hybrid contract referencing the smart contract
  • Provisions on code bugs, oracles and force majeure
  • Choice of governing law, court or arbitration
  • Legal review of the code alongside the technical audit
  • Assessing whether the smart contract amounts to a MiCA service
  • Assessing AML duties for contracts that process payments

Worth knowing

Form of legal acts

The Slovak Civil Code distinguishes oral, written and qualified form (Section 40 et seq.). Where the law requires a notarial deed or an officially certified signature, a smart contract cannot replace that form.

Electronic signatures

Under eIDAS a qualified electronic signature has the same legal effect as a handwritten one. Regulation (EU) 2024/1183 (eIDAS 2.0) introduced the European Digital Identity Wallet; in Slovakia Act No. 215/2002 Coll. also applies.

The contract prevails

Where the code and the contract conflict, the contract decides. The code is a technical tool for performing it.

Blockchain as evidence

A blockchain record is strong evidence, but a court need not accept it automatically. An expert witness is often needed to explain its nature and origin.

Common questions

  • The contract is the parties' agreement, provided it meets the requirements of a legal act under Section 34 et seq. of the Slovak Civil Code. The smart contract is how it is performed. Where the law requires written or qualified form, that form must be met separately.
  • An off-chain written contract sets the rights, interpretation, governing law and dispute resolution. The smart contract automates performance. If the code's outcome differs from the contract, the contract prevails unless the parties agreed otherwise.
  • Like any other contract, through a claim for performance or damages. Blockchain records such as the transaction hash, together with the framework contract, serve as evidence.
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This page is for general information, reflects Slovak law at the time of writing and is not a substitute for advice on your particular matter.