1️⃣ The mystery of Satoshi Nakamoto: The creator of Bitcoin came up with a pseudonym for himself, and his identity remains a mystery. This mystery attracts the attention of many researchers.

2️⃣ Forgotten Wallet: A Bitcoin wallet with a lost password containing $220 million has become useless to its owner. This is a reminder of the importance of security and storing passwords responsibly.

3️⃣ World of Cryptocurrency: There are more than 10,000 different cryptocurrencies, each with its own unique technology and application. This diversity creates interesting opportunities for investment and development of new projects.

4️⃣ Pizza for Bitcoins: The first transaction using Bitcoin was the purchase of two pizzas for 10,000 BTC. Today this amount exceeds $500 million, which symbolizes the growing value of the cryptocurrency.

5️⃣ Limited Bitcoin: A total of 21 million Bitcoins will be created, which gives it deflationary properties. This limitation makes it a valuable asset and provides