Tamga Wallet Blog
Blog
Announcements, how-to guides, privacy, the ideas behind digital identity, and the standards the wallet follows — in plain words.
16 articlesRSS feed
- LatestConceptsThe EU digital identity wallet and eIDAS 2.0, from TürkiyeeIDAS 2.0 requires every EU member state to offer a digital identity wallet by end-2026. What that means, and what "EU-aligned" means for Tamga Wallet.8 October 2026 · 9 min read
- GuidesYour identity on your phone: who holds what?Five parties take part when your documents are in Tamga Wallet. What the institution, you, the verifier, the network and the wallet provider hold and see.8 October 2026 · 9 min read
- StandardsISO 18013-5 and mdoc: showing a document face to faceISO/IEC 18013-5 defines mdoc: the format and protocol for showing a document from your phone to a reader in person, over Bluetooth, offline.8 October 2026 · 4 min read
- GuidesWhat happens to your documents if you lose your phone?On a lost phone your documents stay encrypted and locked. Close the wallet with your revocation code, then get your documents again on a new phone.8 October 2026 · 4 min read
- PrivacyNo central database: why your data isn't in one placeYour documents stay on your phone, the institution keeps its own record and the network keeps only a list of trusted institutions.8 October 2026 · 7 min read
- StandardsOpenID4VCI, OpenID4VP and HAIP: how wallets move documentsOpenID4VCI brings a document from an institution into your wallet, OpenID4VP takes it to a verifier, and HAIP fixes the options the EU relies on.8 October 2026 · 5 min read
- PrivacyProving your age without showing your date of birthWhen a site only asks "over 18?", Tamga Wallet proves just that answer. Your date of birth, name and the credential itself are not shown.8 October 2026 · 4 min read
- ConceptsWhat happens on your phone when a document is revoked?Institutions publish document status in a signed list. Your wallet checks it by itself, and the issuer never learns where you showed a document.8 October 2026 · 7 min read
- StandardsSD-JWT VC: the format behind selective disclosureSD-JWT VC is the credential format that lets a wallet send only some fields of a signed document. A short, plain explanation with a simplified example.8 October 2026 · 4 min read
- ConceptsSelective disclosure: showing just one line of a documentSelective disclosure lets you show one field of a signed document, such as "is a student", while the rest stays hidden and the signature still checks out.8 October 2026 · 7 min read
- ConceptsSelf-sovereign identity: can you really own your identity?Self-sovereign identity says you, not institutions, should control your digital identity. Part of that is real today; part still depends on institutions.8 October 2026 · 8 min read
- PrivacyLiving without oversharing: why 'show everything' must endPhotocopies and screenshots send a whole document when one answer is needed. Data minimisation under GDPR and KVKK, and how selective disclosure helps.8 October 2026 · 7 min read
- PrivacyShowing the same document twice: why the two can't be linkedTamga Wallet gives each verifier its own copy of a document and each site its own pseudonym, so two places can't match you by comparing notes.8 October 2026 · 8 min read
- GuidesWhat is a digital identity wallet — and what is it not?A digital identity wallet keeps institutions' signed documents on your phone and shares only what you approve. What it is, and what it is not.8 October 2026 · 4 min read
- ConceptsWhat is a verified document, and why is it hard to fake?A verified document carries the institution's signature, is checked against a signed trust list and revocation list, and works only with your phone's key.8 October 2026 · 8 min read
- ConceptsZero-knowledge proof: saying "I'm over 18" and nothing elseA zero-knowledge proof shows a statement is true without revealing the data behind it: what it proves, what it hides, how Tamga Wallet uses it.8 October 2026 · 9 min read