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IN Indonesia, the blockchain is still something new. However, this technology has actually been around for 10 years with other technologies. Some private companies in Indonesia have also used this technology.

This technology was discovered by Satoshi Nakamoto in 2008. Nakamoto himself is the inventor of cryptocurrency or bitcoin digital currency. However, the identity of Nakamoto itself is unknown until now.

Even so, the technology that Nakamoto discovered was useful until now. Especially when talking about security issues. That is the main advantage of this technology. Blockchain is often used to protect digital currency data until the transaction process.

In short, blockchain is a technology that allows you to move data, values, and information without intermediaries. Including your digital financial data. Why is it safe? Because blockchain data can't be manipulated. "Blockchain is open and cannot be manipulated.

Even blockchain security is more trusted. Because Oham said there was a website called blockexplorer.com. On this website all transactions using digital currencies such as bitcoin can be viewed in real-time.

It's just that the real identity of the owner of the digital currency won't be seen on the website. Because, the owner's data is only recorded through the wallet sender and wallet recipient. "So it can still be searched for, the sender and recipient,

Although proven to be safe and transparent. This technology can also be a tool used by criminals. For example in 2011, an Anonymous marketplace called Silk Road began operating.

The marketplace uses blockchain and bitcoin technology as a payment transaction tool. However, markeplace is not like the usual marketplace. The goods sold are illegal goods.