📌 Cryptocurrencies and blockchain: A financial and technological revolution
In recent years, cryptocurrencies like Bitcoin and Ethereum have emerged as an alternative to the traditional financial system. But to understand the power of these currencies, one must first know the technology they are based on: blockchain.
🔹 What are cryptocurrencies?
They are virtual currencies with no physical existence, relying on encryption to secure transactions and control the creation of new units. They can be used in:
Buying and selling online.
Trading and investing.
Transfer money quickly and at low costs.
🔹 What is blockchain?
Blockchain is a public and distributed ledger that stores all transactions in a transparent and secure manner.
A chain of blocks: Each block contains a set of transactions.
Cannot be manipulated: Once a transaction is recorded, it cannot be changed.
Decentralization: It is not controlled by a single bank or entity, but by a distributed network of computers.
🔹 Why is it considered a revolution?
1. Security: Transactions are encrypted and cannot be forged.
2. Transparency: Anyone can verify the data.
3. Speed: Transfers occur in minutes or seconds, compared to days in banks.
4. Innovation potential: Used in smart contracts, DeFi, and NFTs.
🔹 The future
Cryptocurrencies may become an essential part of the global financial system.
Banks and governments have started to study the launch of their digital currencies (CBDC).
Blockchain will not be limited to money only, but will also enter health, education, and commerce.
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