Digital Identity System Development

We design and develop full-cycle blockchain solutions: from smart contract architecture to launching DeFi protocols, NFT marketplaces and crypto exchanges. Security audits, tokenomics, integration with existing infrastructure.
8+Years of work900+Completed projects100+In house employees19+Partners
Offered services
Showing 29 of 29 servicesAll 1306 services
Medium
~2-3 business days
Medium
~2-3 business days
Medium
~2-3 business days
Medium
~2-3 business days
Medium
~1-2 weeks
Complex
from 2 weeks to 3 months
Medium
~3-5 business days
Complex
~1-2 weeks
Medium
~3-5 business days
Complex
~5 business days
Simple
from 1 business day to 3 business days
Medium
from 1 business day to 3 business days
Complex
~1-2 weeks
Medium
~3-5 business days
Complex
~1-2 weeks
Complex
from 1 week to 3 months
Simple
from 1 business day to 3 business days
Simple
from 1 business day to 3 business days
Simple
from 1 business day to 3 business days
Simple
from 1 business day to 3 business days
Simple
from 1 business day to 3 business days
Complex
from 2 weeks to 3 months
Medium
~3-5 business days
Complex
from 1 week to 3 months
Complex
~1-2 weeks
Complex
from 1 week to 3 months
Medium
~3-5 business days
Medium
~1-2 weeks
Complex
from 1 week to 3 months
FAQ
Blockchain Development Services
Blockchain Development Stages
Latest works
  • image_website-b2b-advance_0.png
    B2B ADVANCE company website development
    1214
  • image_web-applications_feedme_466_0.webp
    Development of a web application for FEEDME
    1161
  • image_websites_belfingroup_462_0.webp
    Website development for BELFINGROUP
    852
  • image_ecommerce_furnoro_435_0.webp
    Development of an online store for the company FURNORO
    1041
  • image_logo-advance_0.png
    B2B Advance company logo design
    561
  • image_crm_enviok_479_0.webp
    Development of a web application for Enviok
    823
Show more works

Decentralized Identity

SIWE (Sign-In with Ethereum): sign message, backend verifies.

DID

Decentralized Identifiers: did:ethr (Ethereum), did:key (stateless), did:web (HTTPS).

Verifiable Credentials

Issuer signs VC. User presents Verifiable Presentation. Privacy-preserving KYC.

Soulbound Tokens

Non-transferable NFT for achievements, education, credit score.

EAS

Ethereum Attestation Service: on/off-chain attestations on standard schema.

Timelines

SIWE: 2–4 weeks. SBT: 3–6 weeks. Full DID/VC: 3–6 months.