Cryptography
8 min
10 Feb 2026
How Hash Functions Secure Blockchain Data
An introduction to one-way hash functions and their role in maintaining data integrity across distributed ledger systems, including SHA-256 and Keccak-256.
Marcus C.
Smart Contracts
10 min
7 Feb 2026
Understanding Smart Contract Execution Environments
A technical overview of virtual machines and runtime environments used to execute smart contracts on major blockchain platforms, including the EVM and WASM.
Dr Alison W.
Scalability
9 min
3 Feb 2026
Layer 2 Solutions: Approaches to Blockchain Scalability
Examining rollups, state channels and sidechains as methods for increasing transaction throughput without sacrificing security on the base layer.
Marcus C.
Fundamentals
7 min
29 Jan 2026
Public vs Private Blockchains: A Structural Comparison
An analysis of the architectural differences between permissionless and permissioned blockchain networks, covering access models, governance and performance characteristics.
Sarah O.
Digital Assets
11 min
25 Jan 2026
Token Standards Explained: ERC-20, ERC-721 and Beyond
A guide to the technical specifications that define how tokens are created and managed on the Ethereum network, with an overview of emerging standards on other platforms.
Marcus C.
Security
14 min
21 Jan 2026
Common Attack Vectors in Smart Contract Security
An educational review of reentrancy, integer overflow, front-running and other vulnerability patterns that have been documented in deployed smart contracts.
Dr Alison W.
Web3
10 min
17 Jan 2026
Decentralised Applications: Architecture and Design Patterns
How decentralised applications differ from traditional client-server architectures, covering front-end integration, state management and data storage approaches.
Sarah O.
Cryptography
13 min
12 Jan 2026
Public-Key Cryptography and Digital Signatures Explained
A walkthrough of asymmetric key pairs, elliptic curve digital signature algorithms and how they enable trustless verification of identity and data authenticity on blockchains.
Marcus C.
Regulation
15 min
8 Jan 2026
An Overview of UK and EU Regulatory Approaches to Digital Assets
Reviewing the current regulatory landscape for digital assets in the United Kingdom and European Union, including the Markets in Crypto-Assets Regulation (MiCA) and FCA guidance.
Sarah O.
Fundamentals
6 min
4 Jan 2026
Merkle Trees: The Data Structure Behind Blockchain Verification
How Merkle trees allow efficient and secure verification of large data sets, enabling lightweight nodes to confirm transactions without downloading the entire blockchain.
Dr Alison W.
Web3
9 min
30 Dec 2025
Self-Sovereign Identity: Principles and Protocols
An overview of decentralised identity frameworks that allow individuals to manage their own credentials without depending on a centralised identity provider.
Sarah O.
Scalability
11 min
22 Dec 2025
Sharding in Blockchain Networks: Concept and Implementation
How sharding partitions a blockchain network into smaller segments to enable parallel transaction processing, including current implementations and known challenges.
Marcus C.
Smart Contracts
12 min
16 Dec 2025
Formal Verification of Smart Contracts: Methods and Tools
An educational review of formal verification techniques applied to smart contract code, including model checking, theorem proving and symbolic execution approaches.
Dr Alison W.
Digital Assets
10 min
10 Dec 2025
Central Bank Digital Currencies: Technology and Policy Considerations
Exploring the technological foundations and policy discussions surrounding CBDCs, including pilot programmes from central banks in the UK, EU and other regions.
Sarah O.
Security
13 min
4 Dec 2025
Zero-Knowledge Proofs: Privacy on the Blockchain
An introduction to zero-knowledge proofs, how they work at a conceptual level, and their applications in blockchain privacy, including zk-SNARKs and zk-STARKs.
Marcus C.
