I'll admit it: I came to decentralized identity expecting to write about blockchain, and spent my research finding out why that was the wrong place to start.
Every service you use keeps its own copy of you. A username here, a scan of your passport there, a date of birth in a database you will never see. You re-prove the same handful of facts over and over, and each time you do, another organization becomes responsible for information it did not need in full. Decentralized identity proposes a different arrangement: you hold the proof, and you show only the part that answers the question.
It is a real technology with real deployments, and it is also a term that gets used loosely enough to muddy what it means. So I read the standards, checked what has actually shipped, and coded 165 G2 reviews of decentralized identity products to see what the people who bought this software say they do with it.
Here is what it is, how the pieces fit, whether it needs a blockchain (it does not), and where the pitch and the practice part company.
Decentralized identity is a model for managing digital identity in which a person or organization holds their own verified credentials and presents proof of them directly, instead of relying on a central provider to vouch for them at each interaction.
You keep credentials issued by organizations you already deal with, a government, an employer, a bank, a university, in a digital wallet on your device. When a service needs to know something about you, you present a cryptographically signed proof. The service checks the signature against the issuer's public key. It does not have to call the issuer, and it does not have to store your underlying documents.
That is the whole idea. Everything below is detail.
"Our digital bodies exist in fragmentation. I'm not an individual online; I'm a user."
Frank Cardello
Executive Advisor, Decentralized Identity, Ping Identity.
That is the problem statement in one line, and it is the one I kept coming back to. As Cardello puts it, "When I manage an identity, it means I can show up and provide who I am in a millisecond. We can't do that today. We have to re-establish trust in every interaction we embark on."
Decentralized identity has three components: a decentralized identifier, a verifiable credential, and a wallet to hold them in. Everything else, including any use of a blockchain, is a choice about how those three get implemented.
Selective disclosure is the credential feature that makes the privacy claim real. Instead of handing over a whole document, you present a proof of one attribute from it. A contractor can prove they hold a current safety certification without revealing its issue date, serial number, or anything else on the face of it. Proving you are over a legal age without giving your birth date is the same mechanism.
Implementations differ. Some products use zero-knowledge proofs; many simply omit fields. I would ask any vendor about this one directly, because support varies more than the marketing suggests.
On G2, 1Kosmos Verify and IBM Verify Credentials are the answer for buyers asking which decentralized identity solutions integrate digital wallet support and multi-factor authentication seamlessly.
Decentralized identity works through three roles: an issuer signs a credential, a holder stores it, and a verifier checks it. This pattern is usually called the trust triangle. The components above are what the system is made of; the roles are who does what with them.
The sequence runs one way. An issuer signs a credential against the holder's DID. The holder stores it in a wallet. When a verifier asks a question, the holder presents a proof, and the verifier checks the issuer's signature against the issuer's published public key.
The important move is what the verifier does not do. It does not phone the issuer, and it does not get handed the underlying document. It checks a signature. That single change is what removes the central party from the moment of verification, and it is the reason the model is called decentralized.
A specialist contractor is being onboarded by a new client. The certifying body is the issuer, the contractor is the holder, and the client's onboarding system is the verifier.
| Step | How it works today | With decentralized identity |
|---|---|---|
| Proving a certification | The contractor emails a scan of the certificate, a photo ID, and a right-to-work document | The certifying body issues one verifiable credential into the contractor's wallet |
| Checking it | Someone in HR files the documents and checks them against a register | The client's system checks the issuer's signature and confirms the credential has not been revoked |
| Time to access | Days, sometimes a week | Immediate, once the credential exists |
| Who ends up holding the documents | Every client keeps its own copy | Only the contractor |
| The next client | The whole process repeats from scratch | The same credential is presented again |
That last row is the commercial argument. Nothing gets re-verified by hand, and no client is left holding copies of someone else's documents. It is the benefit with the clearest financial shape, which is why I see vendors lead with it.
No. Decentralized identity is defined by who holds the credential and who checks it, not by what the identifier is anchored to. A blockchain is one way to publish issuer keys and revocation status. It is not a component of identity.
Three things settled it for me:
Where a ledger does earn its place. A distributed ledger gives you a public, append-only place to publish an issuer's keys, so a verifier can resolve them without contacting the issuer and without depending on the issuer staying online. That is a real engineering benefit for some deployments.
So I am not saying blockchain is irrelevant here. It is a design choice about key distribution, and it belongs in a conversation about architecture rather than in the definition.
Centralized identity means one organization holds the record and controls access to it. Your bank's login is centralized identity. It is the model almost everything runs on today, and the comparison below is the one that matters most if you are weighing a change.
| Parameters | Centralized identity management | Decentralized identity management |
|---|---|---|
| Storage | Central database controlled by the service | Credentials held by the user; issuer keys published to a registry, ledger, or domain |
| Who is present at verification | The identity provider | Nobody beyond the holder and the verifier |
| Control | The organization | The holder decides what is disclosed and when |
| User experience | Separate accounts and passwords per service | One wallet, reused across services |
| Advantages | Mature, well understood, simple to audit, centralized policy | No central store to breach, selective disclosure, credentials reusable across services |
| Disadvantages | Single point of failure, high-value target, little user control | More complex to deploy, evolving standards, and it only works where verifiers accept it |
For a closer look at how the two compare, see our guide to centralized vs. decentralized identity management.
These three get used interchangeably, and I found more disagreement about them across the sources I read than about anything else in the category. They mean different things.
Federated identity means several organizations trust one identity provider. Signing in to a third-party app with your Google or Microsoft account is federated authentication, usually over OpenID Connect or SAML. Control is still centralized; it is just concentrated in fewer places.
Decentralized identity removes the requirement for a central party to be present at the moment of verification. Issuers still exist and still matter. What changes is that the verifier checks a signature rather than calling a provider.
Self-sovereign identity (SSI) is a specific, maximal form of decentralized identity in which the holder controls storage and disclosure completely, with no intermediary custody of credentials.
| Model | Who issues the credential | Who stores it | Everyday example |
|---|---|---|---|
| Federated identity | The identity provider | The identity provider | Signing in with your Google account |
| Decentralized identity | A government, employer, university, or bank | You, in a wallet | Presenting a mobile driver's license |
| Self-sovereign identity | A government, employer, university, or bank | You, with keys held by you alone | A wallet with no hosted backup |
The bottom two rows share a column, and that is the point: self-sovereign identity is a stricter version of decentralized identity, not an alternative to it.
It is also where I found the most common misreading, repeated on several of the pages ranking for this term. SSI does not mean users issue their own credentials. It still depends on trusted third-party issuers, because a self-asserted claim proves nothing. What is sovereign is the holding and the sharing, not the issuing.
Mostly, for the same identity jobs organizations were already doing: verifying who someone is at signup, and letting them log in afterward. The privacy and data-ownership case is real, and it was the third most common thing I saw buyers describe, not the first.
I coded what more than 120 G2 reviewers said they use decentralized identity software for, one use case per review.
| What reviewers said they use it for | Share |
|---|---|
| Identity verification and onboarding, including KYC and AML | 19% |
| Passwordless login and workforce access | 18% |
| User-controlled data sharing | 15% |
| Issuing and verifying credentials | 12% |
| Payments and crypto | 9% |
| Building identity into a product | 8% |
| Fraud and identity theft prevention | 7% |
Based on the 124 reviewers who named a specific use case, drawn from 165 G2 reviews submitted between January 2023 and August 2026.
The remaining 12% described general document storage, and almost all of those reviews came from a single consumer wallet product, so that pattern says more about one product than about the category.
Verification and onboarding, and login and access shows the practical shape of the category. Buyers describe identity verification at the front door and passwordless authentication after it, both of which have existed as software categories for years. Decentralized identity is competing for those budgets.
User-controlled data sharing is the most broadly distributed theme in the set. Its reviews come from 12 different products, wider than any other use case. So I would not dismiss the data-ownership promise as marketing residue. It is a real reason people buy. It is simply not the majority reason.
Credential issuing and verification covers diplomas, professional certifications, badges, and employment claims, and it maps to a category of its own in digital credential management. I came across several reviewers describing a manual certificate process replaced outright.
Age and eligibility checks deserve a mention. Age verification in regulated consumer markets is one of the clearest fits for selective disclosure, and I noticed reviewers from gambling, consumer services, and financial services throughout this data set.
Fraud prevention is a real, if smaller, use case: 1Kosmos Verify, Microsoft Entra Verified ID, and AU10TIX are the decentralized identity platforms preventing fraudulent access and credential compromise through strong identity verification.
The table above says the buyer's name. This is where the technology actually turns up, sector by sector.
Trust is everything in finance, and decentralized identity reaches across it, from opening accounts to reusing a completed check. It gives a secure, verifiable way to conduct know-your-customer and anti-money laundering checks, which matters for traditional finance and more so for the decentralized end of the fintech movement. In finance, 1Kosmos Verify, Microsoft Entra Verified ID, and AU10TIX are among the highest-rated decentralized identity platforms for insurance and financial services implementing enterprise identity verification.
A verifiable academic credential can be checked instantly without contacting the issuing institution, which helps if you move abroad, apply overseas, or if your institution closes. MIT has issued opt-in digital diplomas to graduates for years using Blockcerts, an open standard for blockchain-anchored certificates now stewarded by Hyland.
Bhutan runs the furthest-along national program. Its National Digital Identity had issued roughly 234,000 foundational IDs by March 2025, against a population of nearly 786,000, and began migrating from Polygon to Ethereum in October 2025. It added a digital signature platform in September 2025, where each signature ties to a credential held in a citizen's wallet.
The credential most worth verifying in healthcare is the clinician's, not the patient's. In May 2026, TruMerit issued its first verifiable digital credentials to nurses and allied health professionals who had passed its global certification exams, delivered into a wallet so employers and regulators can check them directly.
Trade documents are further along than product labels. Singapore's TradeTrust, whose issuer identities are anchored to DNS and DIDs, moved past pilots in February 2026 when four platforms built on it gained International Group of P&I Clubs approval, giving electronic bills of lading the same standing as paper. The EU's Digital Product Passport registry went live in July 2026. Per-item consumer authenticity, though, is still in the pilot stage everywhere.
A decentralized identifier does not assume the subject is a person. A device can hold its own DID and credentials, so machines and sensors authenticate to each other and to services without a shared secret or a separate central account for every device. It is an early use rather than a widespread one, but it is a natural fit for the model.
The everyday case is signing in. A wallet credential lets you log in to a site without handing over everything about you, and without creating another username and password or leaning on a third-party account to do it for you. This is also where most people will meet the technology first, and where acceptance matters most.
Read next: 7 Best Identity Verification Tools I Recommend For End-to-End Security, for the products doing the checks this section describes.
Two things determine whether decentralized identity is usable today: whether the standards have stopped moving, and whether anyone is actually carrying the credentials. Here is where I found each of them as of August 2026.
Standards are the shared rules that let one company's wallet work with another company's verifier. Here is where the main ones stand. "Recommendation" is the W3C's final approval stage. "Candidate Recommendation" means the spec is considered complete and is being tested by developers before final approval.
Deployment is further along than the size of the software market suggests, and less far along than the announcements make it sound. The US shows the pattern clearly. Here are three signals from there.
For me, the distance between 41% and 7% is the honest state of decentralized identity: the standards are largely settled, and acceptance is not. Proving a technology works and getting people to build with it are the fast parts, and both have happened here. Getting everyone on the other side of the transaction to accept what you are holding is the slow part, because it depends on everybody else moving too. Industry expectation runs ahead of both.
"Traditional centralized ID systems remain the default identity approach...However, DID and SSI solutions will soon mature, proliferate, and become the standard identity framework."
Mark Campbell
Chief Innovation Officer, Evotek.
Decentralized identity takes the work and risk out of both sides of a verification. Six benefits follow from the model itself:
Buyers weigh them differently, and that gap is the interesting part. Of the same 165 G2 reviews, 145 named a benefit.
| What reviewers named as the benefit | Share |
|---|---|
| Ease of use | 18% |
| Security and fraud prevention | 17% |
| One wallet, reused across services | 16% |
| Control over what gets shared | 15% |
| Passwordless and biometric login | 11% |
| Integration and developer experience | 10% |
Based on the 145 reviewers who named a benefit, drawn from the same 165 G2 reviews. Smaller themes, including speed of onboarding and vendor support, make up the remaining 13%.
Two of the five bullets above are strongly supported. Security and control over what gets shared each came from a dozen or more different products, so I take them as describing the category rather than any one tool. Reusability is the outlier: it appears as the wallet row, carrying the strongest financial argument on the thinnest evidence, because 21 of those 23 reviews came from a single consumer product.
Faster onboarding barely registers. Only 5% named speed, which is a good deal less than the pitch would predict.
The thing that surprised me most is that the most-named benefit of all is not one of the five above. Ease of use led the table, with 16 of its 26 reviews from small businesses, while passwordless ran the other way at 9 of 16 from enterprise. The efficiency case lands with large organizations and the simplicity case with small ones, and neither is a property of decentralized identity so much as of the product built on top of it.
Read the three broadly spread themes together, though, and they sit within three points of each other, which is inside the margin of a hand-coding exercise. I would treat ease of use, security, and control as a cluster rather than a ranking.
Read next: Passwordless Authentication: Secure Access Without Passwords, for how FIDO2, WebAuthn, and passkeys work underneath.
Four constraints came up consistently in the reviews I read: getting the software running, what it costs, connecting it to systems that already exist, and finding counterparties who will accept the credential. Of the same 165 G2 reviews, 125 named a limitation.
| Limitation | Share |
|---|---|
| Setup complexity and learning curve | 20% |
| Cost and pricing | 9% |
| Ecosystem immaturity and low acceptance | 9% |
| Integration with existing systems | 8% |
Based on the 125 reviewers who named a limitation, drawn from the same 165 G2 reviews.
I left out complaints about bugs, missing features, and support quality. Those describe individual products rather than the model, and the largest of them was concentrated in a single consumer wallet app.
Two of the four matter more than the others, in my reading:
Two more are worth asking any vendor about directly, because I found the whole market underexplains them:
Governance sits underneath all of it. When a credential turns out to be wrong, who is liable is unresolved in most deployments, and I would ask before signing anything.
Ranked by G2 Score in the G2 Grid® Report for Decentralized Identity, Fall 2026.
| Product | G2 rating | Best for |
|---|---|---|
| 1Kosmos Verify | 4.1/5 | Enterprise passwordless and workforce identity |
| Microsoft Entra Verified ID | 4.1/5 | Teams already in the Microsoft ecosystem |
| IBM Verify Credentials | 4.3/5 | Enterprises issuing verifiable credentials at scale |
| AU10TIX | 4.4/5 | High-volume identity verification and KYC |
| Helix ID | 4.3/5 | Individuals and small teams managing credentials in one wallet |
G2 ratings are current as of the Fall 2026 Grid Report and are subject to change over time.
It does not replace your identity stack. It adds a way to accept credentials your stack did not issue.
Most organizations I looked at are starting from an existing stack rather than a blank slate. If you run identity and access management (IAM) today, you have a directory, an identity provider, and applications federating to it over OpenID Connect or SAML. Decentralized identity does not ask you to turn that off.
What it changes is the front of the funnel. Your identity provider keeps issuing sessions and enforcing policy. What it gains is the ability to accept a verifiable credential as evidence at the moment an account is created or a claim needs re-proving, instead of a manual document check or a third-party lookup. In practice, the first deployments tend to look like:
The realistic sequence is a pilot with one credential type and one relying application, not a migration. The reviewers who described integration friction were consistently talking about connecting to systems that already existed, not about the identity model itself.
Read next: What is Identity and Access Management? Effects on Security, for the baseline decentralized identity would sit alongside.
Because the category holds 70 products serving very different buyers, the first job is working out which kind you need. Four questions separate them.
Digital identity is the broad term for any representation of you online, including the account you made yesterday with an email and password. Decentralized identity is one architecture for managing digital identity, distinguished by where credentials are held and who has to be present when they are checked. All decentralized identity is digital identity. Most digital identity is not decentralized.
Not necessarily, and I would ask about this early. Some platforms cover proofing, issuance, and authentication in one stack; others do one stage well and expect you to integrate the rest. Buying three products means three integrations and three vendors to align on formats. Buying one means accepting that vendor's choices across all three stages.
Yes, and they complement each other rather than compete. FIDO2 and passkeys prove you are the same person who registered; verifiable credentials prove a fact about you that someone else vouched for, and a practical deployment often uses both. On G2, 1Kosmos Verify and IBM Verify Credentials are the answer for buyers asking which Decentralized Identity tools support FIDO2 and phishing-resistant standards for enterprise authentication, with 1Kosmos listing FIDO2 outright and IBM leaning on passwordless flows.
No, though they appear together constantly. Biometrics typically unlock the wallet or bind the credential to the right person at enrollment; the credential itself is a signed claim, not a fingerprint. Biometrics came up in more of the G2 reviews I read than wallets, passwords, or blockchain did, so expect biometric enrollment in most deployments. On G2, 1Kosmos Verify, Microsoft Entra Verified ID, and AU10TIX are the Decentralized Identity solutions with biometric authentication and liveness detection reducing credential breaches.
It depends entirely on the product, and it is the weakest-covered area I found in the category. Recovery models range from encrypted cloud backup, to a recovery key held offline, to social recovery through trusted contacts, to re-issuance by each original issuer. Some are considerably worse than others. Because a lost wallet can mean losing every credential at once, ask for a walkthrough of the recovery path before you buy, not after.
Yes, and it is one of the cleanest fits for the technology. Selective disclosure lets a service receive a yes-or-no answer to a threshold question instead of a date of birth or a scanned ID, which reduces what the service has to store and defend. Mobile driver's licenses already support this. The constraint is acceptance rather than capability: it works where the verifier is set up to request it.
It is the current version of the W3C standard defining what a verifiable credential is and how it is expressed, and it reached Recommendation status on 15 May 2025. The 2.0 family covers seven specifications, including revocation through status lists. Most published material still references version 1.1, so if a vendor's documentation cites the older data model, that is worth a question about their roadmap rather than an immediate objection.
It is an active area, and to me it is the most credible near-term expansion of the model. An autonomous agent acting for you has the same problem a contractor does: it needs to prove who it acts for and what it is authorized to do, to services that have never seen it before. DIDs and verifiable credentials fit that shape, since neither assumes the subject is a human. Standards work is early and there is little shipping product, so treat vendor claims here as roadmap.
G2's Fall 2026 Grid Report for Decentralized Identity ranks 1Kosmos Verify, Microsoft Entra Verified ID, IBM Verify Credentials, AU10TIX, and Helix ID as its top-scoring platforms, blending user satisfaction with market presence. They cover the category's range: 1Kosmos and Microsoft lean toward enterprise workforce identity, AU10TIX toward high-volume identity verification, and Helix ID toward individual wallet users. G2 tracks 70 products in the category in all, so treat this as a starting shortlist rather than the whole field.
Decentralized identity is a simple idea wrapped in complicated vocabulary. Someone you already trust signs a fact about you, you keep it, and you show the part that answers the question. No blockchain required, no central provider on the call.
The technology is ready enough that governments are shipping it at national scale. The habit is not there yet, and the constraint that matters is whether the party in front of you will accept what you are holding. That is a network problem, and network problems resolve slowly and then all at once.
If you are evaluating this now, the starting point I would pick is deciding which of the three roles you are playing, and which single credential type would earn its keep first.
This was originally written by Soundarya Jayaraman in 2024 and has been updated in 2026 with new data and information.
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