$BTC #WLD Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by a pseudonym called Satoshi Nakamoto. Its goal is to be a decentralized financial system, allowing secure transactions without intermediaries. The programmed scarcity, with a limit of 21 million coins, makes BTC an asset seen as a store of value, similar to digital gold. Its underlying technology, blockchain, ensures transparency and security.

Worldcoin (WLD) is an ambitious project that seeks to create a global digital identity and distribute universal basic income. It uses a device called Orb to scan irises, uniquely validating human identity.