Blockchain, Web3, cryptocurrencies and decentralised finance have transformed information technology and finance. On this blog we explore these topics and their impact on society.
Latest articles
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Getting started with Web3: what it is and how to use it safely
A step-by-step guide to your first steps in Web3: creating a self-custody wallet, storing your recovery phrase, making a small test transaction, connecting to apps and reviewing permissions. Based on the ethereum.org documentation.
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DeFi explained: what decentralised finance is, how it works and where the risks lie
What DeFi is, how its main building blocks work (lending, decentralised exchanges, liquid staking), the figures it handles as of October 2026, and the risks worth understanding: smart contracts, governance, bridges and the European regulatory framework.
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Token approvals: what you sign when you connect your wallet, and how to revoke them
What a token approval is, how it differs from a message signature, why a gasless signature can also give access to your funds, and how to review and revoke permissions step by step with MetaMask Portfolio or Etherscan’s tool.
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Where DeFi yield comes from: fees, interest and newly issued tokens
The yield a DeFi protocol advertises is paid by someone: borrowers, users who swap tokens, or the protocol itself issuing new tokens. We go through each source, how it works and the risks it brings.
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Blockchain and Cryptocurrency: A Beginner’s Guide from Scratch
What a blockchain is, how it relates to Bitcoin and Ethereum, the role of European regulation (MiCA), and which risks are worth understanding before you take any step.
