Best crypto proof of personhood in Singapore
Idena ranks highest in ChainChoice’s published proof of personhood ranking among the providers that list Singapore — Synchronous global validation ceremony. No capital gains tax for individuals. MAS-licensed Digital Payment Token Service Providers required for retail-facing platforms.
How this page is reviewed
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 proof-of-personhood system should Singapore residents use in November 2026?
Idena ranks highest in ChainChoice’s published proof of personhood ranking among the providers that list Singapore — Synchronous global validation ceremony. The order is the published ranking itself; providers whose terms exclude Singapore are removed. Check authorisation with MAS before depositing.
- Singapore residents holding capital in SGD
- Users who need MAS-aligned compliance and audit-grade reporting
- Buy-and-hold profiles benefiting from Singapore'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 MAS does not currently authorise
General guidance for Singapore: 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.
8 proof of personhood listed for Singapore
In ChainChoice’s published ranking order, from this category’s 8 providers: those whose terms exclude Singapore are removed; naming Singapore 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 SingaporeIdena#1 globallyProvider states broad availability Synchronous global validation ceremony in which every participant solves the same AI-resistant puzzles at the same moment, on a chain where one identity is one node.
Biometric data collected and deletable — 10/10Measured cost to farm an identity — 8/10Uniqueness checkable without the issuer — 8/10#2 for SingaporeSelf#2 globallyProvider states broad availability Zero-knowledge proofs over NFC government document chips, with a per-scope nullifier and an identity commitment registry on Celo.
Uniqueness checkable without the issuer — 9/10Biometric data collected and deletable — 9/10Verified population you can count — 8/10#3 for SingaporeProof of Humanity#3 globallyProvider states broad availability Kleros-arbitrated registry where a video submission plus a vouch plus a refundable deposit buys an entry that any contract can query with isHuman.
Uniqueness checkable without the issuer — 10/10Measured cost to farm an identity — 9/10#4 for SingaporeWorld ID#4 globallyProvider states broad availability Iris-scanned Orb enrolment producing a zero-knowledge uniqueness proof that a consumer contract verifies on-chain, through the 4.0 WorldIDVerifier on World Chain, a WorldIDSatellite on Arc, or the bridged-root 3.0 routers on five EVM chains that World's docs now mark deprecated.
Measured cost to farm an identity — 9/10Uniqueness checkable without the issuer — 8/10Biometric data collected and deletable — 8/10#5 for SingaporeHuman Passport#5 globallyProvider states broad availability Weighted score aggregating third-party credentials into a pass/fail humanity verdict, readable from a decoder contract on seven EVM mainnets.
Biometric data collected and deletable — 8/10Uniqueness checkable without the issuer — 7/10#6 for SingaporeBrightID#6 globallyProvider states broad availability Social-graph uniqueness derived from verified in-person connections, published to applications as a signature from a trusted BrightID node.
Biometric data collected and deletable — 10/10Measured cost to farm an identity — 4/10#7 for SingaporeBillions Network#7 globallyProvider states broad availability Mobile passport-and-face verification issuing zero-knowledge credentials for unique-human and liveness claims, built by the Privado ID team.
Measured cost to farm an identity — 5/10Biometric data collected and deletable — 5/10#8 for SingaporeHumanity Protocol#8 globallyProvider states broad availability Palm-biometric verification issued as credentials, exposed to contracts through an oracle callback on a dedicated EVM chain.
Measured cost to farm an identity — 6/10Biometric data collected and deletable — 2/10
Commission: None of these providers pays ChainChoice anything for these links. Disclosure
No referral fee in your country: this link opens the provider’s own site.
Crypto products are high risk. Check the provider is authorised where you live before you deposit.
- Information failure: the number is wrong or bought, or your data leaks.Scored by Measured cost to farm an identity · 32% (Idena 8/10, Self 7/10, Proof of Humanity 9/10)Scored by Uniqueness checkable without the issuer · 26% (Idena 8/10, Self 9/10, Proof of Humanity 10/10)Scored by Biometric data collected and deletable · 22% (Idena 10/10, Self 9/10, Proof of Humanity 2/10)Scored by Verified population you can count · 20% (Idena 8/10, Self 8/10, Proof of Humanity 7/10)
Each cell is verified against the provider's filings or the MAS register; a gap shows "—", never an estimate.
| Provider | Taker fee in Singapore | KYC tier | SGD rails | MAS license |
|---|---|---|---|---|
| #1Idena | — | — | — | — |
| #2Self | — | — | — | — |
| #3Proof of Humanity | — | — | — | — |
| #4World ID | — | — | — | — |
| #5Human Passport | — | — | — | — |
Source: ChainChoice provider catalog cross-referenced with the MAS register; each fee as of its entry's latest verification (accuracy methodology).
Is using a crypto proof-of-personhood system legal in Singapore?
Yes. Crypto proof of personhood are regulated in Singapore by Monetary Authority of Singapore (MAS). Always verify a platform's licensing status with MAS before transacting.
How is crypto taxed in Singapore?
Singapore has no capital gains tax. Trading crypto as a business or profession is taxed as income. Editorial summary, not tax advice: consult a qualified tax advisor in Singapore before filing.
What payment methods work for buying crypto in Singapore?
The most common rails for retail onramps in Singapore are: FAST, PayNow, Wire.
Are international platforms (Coinbase, Kraken, Binance) available in Singapore?
Availability varies by platform and product. Singapore has its own licensing regime under MAS, and not every global platform is registered. The shortlist above removes platforms whose terms exclude Singapore; the chip on each row says whether availability is verified, listed or unstated.