Author

Tomás Ferreira

Independent editorial contributor covering crypto markets, digital assets and fintech for VUGA Network publications.

Tomás Ferreira covers Crypto News, Fintech News and Finance News.

Articles by Tomás Ferreira

Close-up of a smartphone showing a generic exchange balance screen

Crypto News

Bithumb's $44 billion bitcoin mistake, explained

A promotional payout gone wrong credited Bithumb customers with about $44 billion in bitcoin on February 6, 2026 — and revived an old lesson: money sent to you…

Tomás Ferreira · Feb 27, 2026

Aluminum cubes linked in a row on a dark studio surface

Blockchain

What goes inside a blockchain block?

A blockchain block is a container with two parts — a header of metadata and a list of transactions — and together those fields are what turn separate batches…

Tomás Ferreira · Feb 14, 2026

Four-step infographic showing an escrow smart contract releasing funds automatically

Web3

What is a smart contract?

A smart contract is code on a blockchain that executes agreed terms by itself. The automation is real — and so are the bugs.

Tomás Ferreira · Jan 26, 2026

Chart comparing how many blocks different networks require before payments become final

Blockchain

What does block finality mean?

Block finality is the moment a blockchain payment stops being reversible — and it arrives on a different schedule for every chain.

Tomás Ferreira · Jan 22, 2026

Diverse residents raising hands in a community vote to reach agreement

Blockchain

What is a consensus mechanism?

A consensus mechanism is the rule set a blockchain uses to agree on one shared record — and the choice between proof of work and proof of stake shapes…

Tomás Ferreira · Dec 30, 2025