In a tweet posted late Thursday night, Dorsey shared a photograph of his computer running bitcoin node software. Nodes are part of the cryptocurrency's infrastructure, validating transactions. They keep a full copy of bitcoin's blockchain ledger, which records all transactions in the cryptocurrency.
Dorsey's involvement comes as bitcoin and other cryptocurrencies are seeing a surge in popularity and prices. Though volatile, bitcoin is currently trading at almost $38,000 per coin after setting an all-time high of just under $42,000 last month. Many cryptocurrencies have grown popular in recent years, including alternative, or "alt coin" cryptocurrency like Dogecoin. Cryptocurrencies are stored in digital wallets, a design feature that can cause if passwords are lost or forgotten.
The Twitter and Square CEO isn't the only high-profile individual to support bitcoin. Earlier this year, Elon Musk temporarily tagged his Twitter account with the hashtag #bitcoin, an apparent display of support for the cryptocurrency. The Tesla chief has also about Dogecoin, a cryptocurrency that started as a .
Last year, Bill Gates, Kanye West, Barack Obama, Musk and other famous tech executives, entertainers and politicians. Apple, Uber and other businesses were also caught up in the , which Twitter attributed to a social engineering attack on its employees.played out on Twitter after scammers targeted the accounts of