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El Salvador's crypto-friendly president has announced that the country will spend $4 million worth of its bitcoin on a pet hospital.

• President Nayib Bukele of El Salvador announced on Sunday that some of the country's bitcoin revenues would go toward a veterinary hospital.
• "Bitcoin is wonderful for pets," the president tweeted.
• In September, the country purchased 700 bitcoins and is mining cryptocurrency with clean volcano-powered energy.

El Salvadorian President Nayib Bukele said over the weekend that a portion of the country's bitcoin profits will be used to fund the construction of a new veterinary hospital.

On Sunday, the president tweeted a video of a model of the pet hospital he planned to build with the profits from the $31 million purchase of 700 bitcoin by his country in late September.

The Central American country, which embraced bitcoin as official cash last month, will use $4 million in bitcoin proceeds to fund the construction of a glistening white, spacious veterinary hospital with grass along its roof.

Bukele added, "Bitcoin is wonderful for dogs," in a tweet that followed the thread about the opulent building.

"By the way, we're not selling any #BTC; instead, we're using the USD portion of the trust," Bukele explained, "since the #BTC portion is currently worth more than when the trust was formed."

Bukele advocated for bitcoin to be adopted as legal tender to help strengthen the country's banking and economic systems, given that the bulk of the population was unbanked.

In 2017, 70 percent of El Salvador's adult population did not have a bank account, according to Statista data.

El Salvador's bitcoin project includes more than just investing in cryptocurrency; the country has began mining the coins using pure volcano-powered energy.