NFTs are digital files that serve as digital signatures to certify who owns photos, videos, and other online media. Dorsey, a known Bitcoin enthusiast, said the auction will end on March 21.
Payments company Square, also led by Dorsey, invested $170 million (roughly Rs. 1,240 crores) more in Bitcoin last month, adding to the mainstream acceptance of the digital currency that has been winning support from several big investors.
Dorsey's 15-year old tweet could attract bidders to pay a high price for the digital memorabilia. The highest bid for the tweet stood at $2.5 million (roughly Rs. 18 crores) as of 17:05 GMT (10:35pm IST) on Tuesday.
The proceeds are being donated to GiveDirectly, a fundraising project to give cash directly to families experiencing extreme poverty in Africa.