In short
- The purchase is legal. In the usual structure your crypto is converted to euro by an authorised provider and the deed records a euro price.
- The seller does not have to accept crypto — in most transactions it is used on the buyer's side only.
- A direct crypto-for-property deed is also possible, structured as a barter (permuta). The first in Portugal was executed in May 2022: a T3 apartment in Braga for 3 BTC, about EUR 110,000.
- Since 1 July 2026 a provider needs a CASP authorisation under MiCA. Pointing to an old VASP registration with Banco de Portugal is no longer enough.
- Anonymous purchase does not exist. Source-of-funds documents are prepared before the deposit, not after.
The two structures
A crypto-funded purchase has two connected parts: an ordinary property transaction, and a separate structure for how the money moves. The first part is no different from any other purchase in Portugal. All the specifics live in the second.
Structure 1. Conversion. Your crypto-assets are sold through an authorised provider, the seller is paid in euro, and the deed records a euro price. This is the common route and the easiest for the seller: they never hold crypto, never need to understand it, never open a wallet. Structure 2. Permuta. A direct exchange of the crypto-asset for the property, with no conversion to euro. Legally this is a barter, not a sale. It works, but it is not automatic: it needs the seller's agreement, a separate notarial review, and stricter documentation of where the assets came from.Which one fits depends on the asset, the provider, the documents and the seller's position. There is no universal answer, and anyone promising one structure for everyone is simplifying.
Step by step
Get a NIF. The Portuguese tax number is required before any property transaction. Non-EU citizens need a fiscal representative. This is ordinary procedure; crypto does not affect it. Set the property and the budget. Price is not the whole number. Since 20 May 2026 a non-resident buyer pays 7.5% IMT on residential property with no exemption — often the largest single line in the budget. See our tax guide. Check the provider. Ask not "are you registered with Banco de Portugal" but "do you hold a CASP authorisation, and for which services". The transitional regime for old registrations ended on 1 July 2026. Assemble the source-of-funds documents. This is where crypto-funded deals most often fail, and almost always after a deposit has been paid. You will typically need to show where the assets originated, when and how they were acquired, which platforms were used, which wallets you control, whether there were transfers between your own wallets, and documents showing the economic reason you received them. Wallet screenshots are not the same as an exported transaction history tied to your identity. Run legal due diligence on the property. Crypto removes none of the usual checks: title documents, encumbrances, use licence, condominium debts, consistency across the registries. Sign the CPCV. The promissory contract fixes price, deadlines and deposit. The critical point: the deadlines in the CPCV must match the real readiness of the crypto leg, not hopes about it. That mismatch is behind most failed transactions. Settle and sign the escritura. The final deed before a notary, then registration of title.How long it takes
The honest answer is that it depends. An ordinary Portuguese purchase runs from a few weeks to a couple of months between CPCV and deed. The crypto leg adds the provider's review, and that timing is not ours to set: it depends on how complex your assets' path is and how complete a package you bring.
A practical rule: the earlier the capital documentation starts, the shorter the whole process. Deals where documents are gathered after the CPCV is signed take longest and fail most often.
What we do not promise
- getting around banking or financial checks;
- an anonymous purchase;
- skipping source-of-funds verification;
- accepting any crypto-asset or working with any wallet;
- guaranteed approval by a particular provider;
- a fixed turnaround time;
- a specific conversion rate or cost;
- an absence of tax consequences.
Crypto removes none of the taxes and none of the checks. It changes only where the money comes from — and adds a layer of documentation that has to be prepared in advance.
Sources
- Código do IMT, Article 17 — Autoridade Tributária e Aduaneira
- Decreto-Lei n.º 97/2026 of 20 May 2026 — non-resident IMT rate
- Lei n.º 69/2025 of 22 December 2025 — MiCA implementation in Portugal
- Banco de Portugal — CASP authorisation