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Survey on functions, competencies and training needs
Role: Blockchain & Marine Traceability Specialist
Sectors: Ocean Monitoring . Aquaculture & Fisheries . Maritime Transport
Primary Sector
Ocean Monitoring (environmental data, marine observation)
Acuaculture & fisheries (seafood production, IUU prevention, supply chain)
Maritime transport (shipping, cargo, emission compliance)
Other
Type of organisation
Research Center / Technology or R&D centre
Small Company (<50 employees)
Medium Company (50–250 employees)
Large Company (>250 employees)
Port Authority
Country
Ireland
France
Portugal
Spain
Years of experience
0-2 years
3-5 years
6-10 years
> 10 years
Main functions of the role (Blockchain/ DLT systems design & Marine Traceability implementation).
Rate each function and indicate whether a competency gap exists in your organisation.
*
Rows
Importance
GAP
Gap description (free text)
Design and deploy DLT / blockchain architectures for marine supply chain traceability (seafood, cargo, fuel)
1
2
3
4
5
Yes
No
Develop and audit smart contracts for automated compliance, payments and data-sharing agreements
1
2
3
4
5
Yes
No
Implement farm-to-fork seafood traceability systems integrating IoT sensor data with blockchain records
1
2
3
4
5
Yes
No
Build plastic pollution and marine waste chain-of-custody tracking systems using distributed ledger technology
1
2
3
4
5
Yes
No
Design blockchain-based anti-IUU (Illegal, Unreported and Unregulated) fishing verification systems
1
2
3
4
5
Yes
No
Integrate blockchain systems with existing fisheries management platforms (TRACES, eAPS, FisheryProgress)
1
2
3
4
5
Yes
No
Develop tokenisation and incentive mechanisms for sustainable fishing and environmental compliance
1
2
3
4
5
Yes
No
Implement vessel identity and certification registries on distributed ledger platforms
1
2
3
4
5
Yes
No
Design cross-border interoperability between national and EU maritime data registries using DLT
1
2
3
4
5
Yes
No
Apply zero-knowledge proofs and privacy-preserving techniques to protect commercially sensitive marine data
1
2
3
4
5
Yes
No
Other functions not listed above:
Technical competencies
For each technical competency, indicate your current level, the level you consider necessary in the next 3 years, whether a gap exists and whether you need training. Scale : 1 = Beginner · 2 = Basic · 3 = Intermediate · 4 = Advanced · 5 = Expert
*
Rows
Current level (1–5)
Required future level (1–5)
GAP?
Training needed?
Blockchain / DLT architecture — permissioned vs permissionless,
consensus mechanisms, network design
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Smart contract development — Solidity
(Ethereum/Polygon), Chaincode (Hyperledger Fabric), Rust (Solana)
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Hyperledger Fabric — enterprise blockchain platform
for permissioned marine networks
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
IOTA / Tangle — feeless DLT for IoT and marine sensor
data integrity
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Tokenisation and NFT standards for supply chain andenvironmental asset certification
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Cryptography fundamentals — hash functions, digital
signatures, zero-knowledge proofs, PKI
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
API development and integration — REST, GraphQL,
Web3.js, ethers.js for blockchain connectivity
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
IoT-to-blockchain integration — linking sensor data
streams to on-chain records (oracles, FIWARE)
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
EU data governance frameworks — GDPR, NIS2, EU Data
Governance Act, Data Act applied to DLT
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Marine traceability standards — GS1, MSC Chain of
Custody, GlobalG.A.P., TRACES, FAO COFI guidelines
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Fisheries management systems — TRACES NT, eAPS,
VMS/AIS data integration for IUU prevention
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Carbon / emissions tracking on-chain — MRV
(Monitoring, Reporting, Verification) for maritime transport
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Decentralised identity (DID) and verifiable
credentials for vessel and operator certification
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Data spaces and
interoperability — Gaia-X, IDSA connector integration with DLT systems
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Cybersecurity for blockchain networks — node security,
key management, smart contract auditing
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Additional technical competencies not included
Transversal competencies
ESCO classification . Current level . Required futre level . Gap
Rate your level en the key transversl competencies identifiess in the ESCO framework for this role. Scale : 1 = Beginner · 2 = Basic · 3 = Intermediate · 4 = Advanced · 5 = Expert
*
Rows
Current level (1–5)
Required future level (1–5)
GAP?
Training needed?
Technical communication — translating blockchain
concepts for fishers, port operators and regulators
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Interdisciplinary collaboration (marine biologists,
legal experts, port authorities, IT engineers)
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Project management in complex, multi-actor digital
transformation programmes
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Stakeholder facilitation and consensus-building across
competing interests in marine supply chains
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Adaptability to rapidly evolving DLT technology and EU
regulatory landscape
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Innovation and entrepreneurial thinking applied to
Blue Economy traceability challenges
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Data-driven decision making and evidence-based policy
support
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Sustainability, circular economy and ethical sourcing
awareness in marine contexts
1
2
3
4
5
1
2
3
4
5
Yes
No
Yes
No
Additional transversal competencies not included
Technologies and tools
Current use · Training need
Indicate whether you currently use each technology and/or whether you would like to receive training in it.
*
Rows
Currently in use
Would like training
Hyperledger Fabric (enterprise permissioned blockchain)
Ethereum / Polygon / Solidity (public and private EVM blockchains)
IOTA / Tangle (feeless IoT-oriented DLT for marine data)
Hyperledger Besu (EVM-compatible enterprise blockchain)
Truffle / Hardhat / Foundry (smart contract development and testing frameworks)
IPFS / Filecoin (decentralised storage for marine traceability documents and media)
Web3.js / ethers.js / Viem (blockchain application development libraries)
FIWARE / NGSI-LD (IoT platform integration with blockchain oracles)
GS1 standards tools (EPCIS, CBV for supply chain event traceability)
TRACES NT / eAPS (EU fisheries and food safety traceability platforms)
Ocean Protocol (decentralised data marketplace for marine datasets)
Gaia-X / IDSA Connector (EU data spaces with DLT integration)
Chainlink / API3 (blockchain oracle solutions for real-world marine data feeds)
OpenZeppelin (secure smart contract libraries and audit tools)
GraphQL / The Graph (indexing and querying blockchain data for marine applications)
Other relevant technologies or tools you use or consider important for this role
Training needs
Priority . Format . Duration
Indicate the priority of each training area for your professional development in the next 2 years (1 =no priority · 2= Low . 3= Medium . 4= High . 5 = very high / urgent).
*
Rows
1
2
3
4
5
Blockchain / DLT architecture and platform selection for marine use cases
Smart contract development and security auditing (Solidity, Hyperledger Chaincode)
Seafood and fisheries traceability — standards, regulations and DLT implementation
IoT-to-blockchain integration for marine sensor data integrity
EU regulatory frameworks for maritime DLT (GDPR, NIS2, Data Governance Act, Data Act)
Carbon emissions tracking and MRV systems for maritime transport (CII, EEXI, EU ETS)
Anti-IUU systems — VMS/AIS data, TRACES NT and blockchain-based verification
Decentralised identity (DID) and verifiable credentials for maritime operators and vessels
EU data spaces integration with blockchain networks (Gaia-X, IDSA, Ocean Protocol)
Stakeholder engagement and change management in multi-actor DLT deployments
Cybersecurity for blockchain networks — key management, node hardening, contract auditing
Tokenisation, incentive design and sustainable Blue Economy digital finance
Other training needs, accesss barriers (cost, time, language) o comments
Final remarks
Open space — your expertopinion is especially valuable
Specific gaps or barriers inyour sector (Ocean Monitoring, Aquaculture & Fisheries or MaritimeTransport) not captured in the survey:
Send
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