{"id":78,"date":"2026-05-04T05:24:25","date_gmt":"2026-05-04T11:24:25","guid":{"rendered":"https:\/\/b4bit.com\/blog\/?p=78"},"modified":"2026-05-04T05:24:25","modified_gmt":"2026-05-04T11:24:25","slug":"what-is-a-cryptocurrency-and-how-its-works","status":"publish","type":"post","link":"https:\/\/b4bit.com\/blog\/en\/what-is-a-cryptocurrency-and-how-its-works\/","title":{"rendered":"What is a cryptocurrency and how its works?"},"content":{"rendered":"
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Surely you’ve seen Bitcoin and cryptocurrencies popping up more and more in the news, interviews, and those conversations where someone suddenly drops a \u00abI actually get it.\u201d Relax: you’re not late to the party, and you don’t need a finance master’s to understand this. Here I’ll explain it without giving you a headache or selling you smoke.<\/p>\n

Don’t worry if you feel like you’re on another planet. Most people start the same way: hearing \u201ccrypto\u201d everywhere in the news or the neighborhood WhatsApp group, but with no clear idea what the hell it’s for. Think of it like OXXO: you go, pay, and done, without knowing how the cashier works inside. Crypto is similar, but… more digital.<\/p>\n

By the time you finish this article, you’ll know what a cryptocurrency is, how it works without complications, and what that thing is for. No crazy promises, just what you need so you don’t stay quiet next time you hear something about crypto.<\/p>\n

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What is a cryptocurrency? The no-tech explanation<\/h2>\n

Look, a cryptocurrency is digital money that lives on the internet and doesn’t need a bank to work. It’s like a peso that isn’t issued by the government, but by a shared network among users worldwide. CoinMarketCap defines it<\/span><\/a> as: a digital asset that uses cryptography for security and operates on a decentralized blockchain. Sounds like ancient Hebrew, but don’t freak out\u2014it’s easier than it seems.<\/p>\n

Imagine it like a neighborhood IOU: everyone recognizes it and uses it to exchange without one boss controlling it. It was created to move value without expensive middlemen (among other uses), and today millions use it for payments, transfers, or just holding it. See? Not that hard. Let’s pick up the pace to see how that thing works, and if you have any doubts, don’t worry\u2014we’re here to help.<\/p>\n

It’s not magic: it’s math that works like SPEI<\/h2>\n

It might sound like pure math, but it’s simpler than it seems. Behind every transaction, there’s a system that verifies and records everything automatically, like the SPEI you use daily without knowing its internal code, but without Banamex as the only boss.<\/p>\n

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You don’t need to be an engineer to use it. Don’t you trust SPEI to get paid without understanding a \u201cpayment gateway\u201d? The good thing is that in Mexico, under the Fintech Law<\/span><\/a> and LFPIORPI<\/span><\/a>, regulated platforms like B4bit apply KYC and strict safekeeping to minimize risks.<\/p>\n

Why does it exist if we already have pesos and dollars?<\/h2>\n

Come on, you know full well that system is anything but perfect. You could say cryptocurrencies fix a bit of the traditional system’s mess. The peso devalues with inflation\u2014in fact, Banxico said<\/span><\/a> it exceeded the target range in February 2026, around 4% annually. In short, if before you could buy an ice cream with 20 pesos, now it doesn’t even cover one.<\/p>\n

Plus, not everyone has access to a bank account. Here in Mexico, 76.5%<\/span><\/a> has some financial product, but millions lack full access. And imagine sending money abroad in another life\u2014do you know how many banks charge for that dollar transfer?? Imagine your family wants to send you money. Remittances of 1,000 USD via Banamex<\/span><\/a> cost 15-17 USD + VAT (~350 MXN) or BBVA<\/span><\/a> 30 USD (~600 MXN). That’s without counting the days they take with spreads. Crypto does it more directly and cheaply. With USDC in minutes for a 20 MXN fee, you have your remittance without the hassle. Normal fees hurt. The good news is crypto is more direct, and you don’t have to grease so many palms.<\/p>\n

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How cryptocurrencies work inside<\/h2>\n

The way cryptocurrencies work is simpler than you think. They go step by step: you send, the network checks it, confirms it, and records it forever. Ethereum, for example, takes a few minutes to confirm, while Solana is faster. Each with its thing.<\/p>\n

The blockchain: the ledger no one can erase<\/h2>\n

As I was saying, the blockchain is an accounting book that’s written but not erased. What do you think? It’s a public and shared record, like the whole neighborhood noting in the same notebook who paid whom. No one can change what’s already written because everyone sees it. It’s like a Google Doc where everyone edits, but no one deletes.<\/p>\n

No bank in the middle: what decentralized means<\/h2>\n

That the blockchain basically means no central boss deciding. It’s like paying your buddy directly for an OXXO without the bank sticking its hand in.<\/p>\n

And it works super easy:<\/p>\n