Best crypto decentralised storage in Spain
Filecoin ranks highest in ChainChoice’s published decentralised storage ranking among the providers that list Spain — Proof-based storage marketplace. Form 721 reporting for foreign-held crypto over €50,000 — non-filing penalties are steep, so exchange jurisdiction matters.
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Reviewed means every product ranked on this page was read against its sources on or after that date; every ranked category is re-read at least every 45 days. Models research, extract and parse. A deterministic engine ranks. Every quote passes an adversarial refute pass.
Accountable for this review: Mathias Siemonsmeier, Founder.
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Which crypto storage network should Spain residents use in November 2026?
Filecoin ranks highest in ChainChoice’s published decentralised storage ranking among the providers that list Spain — Proof-based storage marketplace. The order is the published ranking itself; providers whose terms exclude Spain are removed. Check authorisation with CNMV before depositing.
- Spain residents holding capital in EUR
- Users who need CNMV-aligned compliance and audit-grade reporting
- Buy-and-hold profiles benefiting from Spain's tax treatment
- Sophisticated retail and family-office treasurers
- Derivatives / perpetuals traders (use a regulated futures venue instead)
- Privacy-focused users avoiding KYC (these are licensed venues)
- Day-traders chasing the lowest spreads regardless of regulator posture
- Anyone needing a service CNMV does not currently authorise
General guidance for Spain: the ranking engine does not compute these notes and they do not change the order below. If none fits you, answer the Find My Best questions for a result for your profile.
7 decentralised storage listed for Spain
In ChainChoice’s published ranking order, from this category’s 7 providers: those whose terms exclude Spain are removed; naming Spain or a region that covers it counts the same, and those whose terms do not state it come last. Each chip names the basis: a dated check, a region listing, or the provider's own claim.
#1 for SpainFilecoin#1 globallyProvider states broad availability Proof-based storage marketplace; Onchain Cloud adds pay-per-epoch warm storage
Verified cost per TB-year (normalised) — 9/10Durability: contractual or aspirational — 8/10#2 for SpainSia#2 globallyProvider states broad availability Blockchain-enforced storage contracts between renters and hosts, self-operated
Verified cost per TB-year (normalised) — 10/10Durability: contractual or aspirational — 7/10#3 for SpainStorj#3 globallyProvider states broad availability S3-compatible object storage erasure-coded across independent node operators
Retrieval cost and read path — 8/10Verified cost per TB-year (normalised) — 7/10#4 for SpainArweave#4 globallyProvider states broad availability One-time-fee blockchain storing data via a token endowment
What happens when you stop paying (or they do) — 8/10Retrieval cost and read path — 5/10#5 for SpainWalrus#5 globallyProvider states broad availability Erasure-coded blob storage on Sui, USD-pegged, paid in WAL
Durability: contractual or aspirational — 6/10Retrieval cost and read path — 6/10#6 for SpainPinata#6 globallyProvider states broad availability IPFS pinning and gateway service with metered storage and bandwidth
Verified cost per TB-year (normalised) — 5/10Retrieval cost and read path — 3/10#7 for Spain4EVERLAND#7 globallyProvider states broad availability Web3 hosting bundling IPFS pinning, Arweave uploads, gateways and RPC
Verified cost per TB-year (normalised) — 3/10Retrieval cost and read path — 3/10
Commission: None of these providers pays ChainChoice anything for these links. Disclosure
Provider links appear once we know which country you are browsing from: ChainChoice links to providers only where it serves in full.
Crypto products are high risk. Check the provider is authorised where you live before you deposit.
- Liveness failure: the operator stops, censors you or loses data.Scored by Durability: contractual or aspirational · 30% (Filecoin 8/10, Sia 7/10, Storj 5/10)
- Exit failure: you cannot get out at par, on time, or with what is yours.Scored by What happens when you stop paying (or they do) · 20% (Filecoin 6/10, Sia 4/10, Storj 1/10)
Each cell is verified against the provider's filings or the CNMV register; a gap shows "—", never an estimate.
| Provider | Taker fee in Spain | KYC tier | EUR rails | CNMV license |
|---|---|---|---|---|
| #1Filecoin | — | — | — | — |
| #2Sia | — | — | — | — |
| #3Storj | — | — | — | — |
| #4Arweave | — | — | — | — |
| #5Walrus | — | — | — | — |
Source: ChainChoice provider catalog cross-referenced with the CNMV register; each fee as of its entry's latest verification (accuracy methodology).
Is using a crypto storage network legal in Spain?
Yes. Spain regulates crypto-asset service providers under MiCA (EU Regulation 2023/1114), enforced from 30 December 2024. CNMV oversees decentralised storage operating in Spain; only providers authorised under MiCA may serve retail clients. Verify any provider against ESMA’s interim MiCA register.
How is crypto taxed in Spain?
Capital gains taxed in tiers: 19% up to €6,000, 21% to €50,000, 23% to €200,000, 27% to €300,000, 28% above. Form 721 declares foreign-held crypto over €50,000. Editorial summary, not tax advice: consult a qualified tax advisor in Spain before filing.
What payment methods work for buying crypto in Spain?
The most common rails for retail onramps in Spain are: SEPA, SEPA Instant, Bizum.
Are international platforms (Coinbase, Kraken, Binance) available in Spain?
Coinbase and Kraken hold MiCA authorisation valid in Spain. Binance does not: no Binance entity is on ESMA's register (read 10 November 2026); every transitional period ended by 1 July 2026, so none covers it there.