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Yellow Blue Ledger
Education-only blockchain explanations
Source-led learning United Kingdom No investment advice

Clear, source-led explanations of blockchain and digital asset technology.

Yellow Blue Ledger is an educational portal that explains how distributed ledgers, wallets, token standards, stablecoins, NFTs, and security practices work. Our content is designed for understanding, not for making financial decisions.

Explore Topics Read Starter Guides
Disclaimer chip

Educational content only. Nothing here is financial, investment, tax, or legal advice. Digital assets can be volatile and involve risk. Regulations differ by country. We do not provide recommendations.

Read full disclaimer
Last updated: • Editorial team: Yellow Blue Ledger Education Ltd

What you will find here

A structured path from fundamentals to implementation concepts, written for learners, product teams, and policy-aware readers.

Knowledge portal
Blockchain basics
Blocks, transactions, immutability concepts, and common misconceptions.
Wallets and keys
Private keys, seed phrases, custody models, and safety checklists.
Security and risk
Threat models, phishing patterns, and how audits are typically described.
Office: 25 Wilton Road, Victoria, London SW1V 1LW
Contact details
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Topics we cover 📚

We focus on technology concepts and definitions. We avoid trading guidance, market timing, price predictions, and any content that could be interpreted as investment advice.

Blockchain, consensus, and networks

Proof-of-Work and Proof-of-Stake explained as system design choices, plus nodes, finality, and common network metrics.

Consensus mechanisms
How networks agree on state, in plain terms.
Finality and forks
What changes, what cannot, and why it matters.

Wallets, keys, and safe handling

Understand what a wallet is, what it is not, and how key management is typically described.

Phishing patterns Custody basics Checklists

Token standards and smart contracts

ERC-style standards, contract interfaces, and what audits commonly cover.

Stablecoins and settlement

Common models, reserves terminology, and where risk can show up in design.

Regulation and terminology

Plain-language definitions and links to primary sources for the UK and international context.

How our learning flow works 🧭

A simple path that prioritises definitions, system design, and source links. It is intentionally non-promotional and avoids any trading or investment framing.

1

Start with definitions

Use the Glossary to map key terms: private key, hash, finality, validator, smart contract, and stablecoin model.

Tip: definitions include “what it is” and “what it is not” to reduce confusion.
2

Read a guide from start to finish

Our Guides are structured like short courses with sources, diagrams, and a recap section.

Each guide lists the editorial owner and a “Last updated” date.
3

Verify with primary sources

We link to primary documentation and regulator pages where possible. You can cross-check terms, standards, and security guidance using the references at the end of each page.

We do not publish price-based analysis or investment recommendations.

Trust and transparency ✅

We aim to meet strong editorial standards. Every guide is written for clarity, reviewed for neutrality, and linked to sources where readers can verify details.

Meet the team

E-E-A-T signals we publish on pages

Authors and editorial owners
Each page lists the author and the editor responsible for updates.
Last updated date
We show when the content was last reviewed for accuracy and neutrality.
Sources and references
We include links to primary documentation and reputable publications.
Real contact information
UK office address, phone number, and a monitored email inbox.

Editorial Team

A small UK-based team that focuses on technical writing, information architecture, and source validation.

Hannah Reed
Senior Editor • London
Focus: definitions, policy-safe wording, and source quality.
Omar Siddiqui
Technical Writer • London
Focus: consensus, cryptography basics, and security terminology.
Priya Nair
Research Lead • London
Focus: references, documentation, and update tracking.

Our content promise

  • We explain technology concepts without encouraging any financial action.
  • We avoid price-based commentary, “signals,” or buy/sell language.
  • We include sources so readers can check the original context.
Read Editorial Policy
Sources we commonly reference
Protocol documentation, standards repositories, security advisories, and regulator publications (where relevant to definitions and terminology).
Browse Topics Ask an editorial question

A calm, policy-safe place to learn

If you are writing, teaching, or reviewing product documentation, we can help by clarifying terminology and pointing to sources. We do not provide investment advice or recommendations.

Visible disclaimer

Educational purposes only. Nothing on this website constitutes financial, investment, tax, or legal advice. Digital assets are volatile and involve risk. Regulations differ by country. No investment recommendations are provided.

Contact the editorial desk Read our disclaimer

Contact information

London office
Address
25 Wilton Road, Victoria, London SW1V 1LW, United Kingdom
Yellow Blue Ledger Education Ltd • Founded 2021 • UK-based educational publisher
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