# Competences — blockchain architect

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/78faf623-2543-43a5-acb2-3c43a22d36e4).

## Essential

- **analyse blockchain use cases** (skill/competence)
- **analyse ICT system** (skill/competence)
- **blockchain application areas** (knowledge)
- **blockchain applications** (knowledge)
- **blockchain applications security principles** (knowledge)
- **blockchain architecture** (knowledge)
- **blockchain components** (knowledge)
- **blockchain concept application** (knowledge)
- **blockchain consensus mechanisms** (knowledge)
- **blockchain design patterns** (knowledge)
- **blockchain history** (knowledge)
- **blockchain mining principles** (knowledge)
- **blockchain openness** (knowledge)
- **blockchain platforms** (knowledge)
- **blockchain signature schemes** (knowledge)
- **blockchain terminology** (knowledge)
- **blockchain-based business models** (knowledge)
- **blockchain-based services regulation** (knowledge)
- **business processes** (knowledge)
- **create business process models** (skill/competence)
- **data security principles** (knowledge)
- **decentralised identifiers** (knowledge)
- **define roadmap for blockchain in applications** (skill/competence)
- **define software architecture** (skill/competence)
- **define technical requirements** (skill/competence)
- **design information system** (skill/competence)
- **design process for blockchain-based systems** (skill/competence)
- **design thinking** (knowledge)
- **develop blockchain innovative architectures** (skill/competence)
- **develop blockchain technology** (skill/competence)
- **digital identity management** (knowledge)
- **digital systems** (knowledge)
- **distributed ledger technologies consensus protocols** (knowledge)
- **distributed ledger technologies vulnerabilities** (knowledge)
- **distributed ledger technology** (knowledge)
- **evaluate blockchain architectures** (skill/competence)
- **explain blockchain implications** (skill/competence)
- **explain distributed ledger technologies principles** (skill/competence)
- **identify blockchain innovation opportunities** (skill/competence)
- **implement cryptographic constructs** (skill/competence)
- **interpret technical requirements** (skill/competence)
- **outline blockchain-based identity management** (skill/competence)
- **recognise blockchain application areas** (skill/competence)
- **recognise blockchain risks** (skill/competence)
- **smart contract** (knowledge)
- **systems development life-cycle** (knowledge)

## Optional

- cloud technologies (knowledge)
- cryptocurrency (knowledge)
- data analytics (knowledge)
- debug software (skill/competence)
- decentralized application frameworks (knowledge)
- design cloud architecture (skill/competence)
- develop software prototype (skill/competence)
- ICT encryption (knowledge)
- service-oriented modelling (knowledge)
- software components libraries (knowledge)
- statistics (knowledge)

<!-- market-evidence -->

## Market evidence (job-ad analysis, 13 ads, as of 2026-07-09)

Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs.

### Hard skills

- blockchain architecture — **62 %**
- cryptography — **38 %**
- smart contract development — **38 %**
- distributed systems design — **23 %**
- ci/cd pipeline design — **15 %**
- data structures and algorithms — **15 %**
- decentralized networking — **15 %**
- back-end development — **15 %**
- software engineering — **15 %**
- protocol design — **15 %**
- security architecture — **15 %**
- multi-chain development — **15 %**
- web3 integration — **15 %**

### Methods

- zero-knowledge proofs — **15 %**
- cross-chain bridges — **15 %**
- decentralized storage — **15 %**

### Responsibilities

- code review — **23 %**
- engineering team mentoring — **23 %**
- system integration — **23 %**
- technical documentation creation — **15 %**
- technical implementation — **15 %**
- technical roadmap definition — **15 %**
- performance optimization — **15 %**
- solution architecture — **15 %**
- solution driving — **15 %**
- blockchain advancement — **15 %**
- blockchain platform architecture — **15 %**
- architecting integrations — **15 %**
- architecture review — **15 %**

<!-- market-evidence -->