Crypto without the confusion

What a stablecoin is, how it keeps its peg to the dollar, the main types (fiat-backed, crypto-backed, algorithmic), how MiCA reshaped the European market, and how to pick a reliable one.

Red flags for rug pulls, pig butchering, fake airdrops, and phishing in crypto. Free tools and security habits that protect your money when there is no undo button.

A practical guide to declaring crypto on your Spanish tax return in 2026: savings-bracket rates from 19% to 30%, Forms 100, 714 and 721, swaps, staking, and how to prepare your records.

What a block explorer is, how to read a transaction on Etherscan or mempool.space, understand confirmations, gas and addresses, and use the explorer to catch scams.

Dollar-cost averaging versus investing everything at once in bitcoin: what the evidence says, the pros and cons of each approach, and how to choose based on your profile.

Crypto wallets explained: hot vs cold, custodial vs non-custodial, how private keys work and which one to choose based on your amount.

Smart contracts explained from scratch: what they are, how they work on Ethereum, real examples, risks and why they are not legal contracts.

Bitcoin halving explained: what it is, how often it happens, how it affects issuance and price, and why it is programmed into the code.

Staking explained from scratch: how it works, which networks use it, how much you can earn, what the risks are and how it differs from Bitcoin mining.