Twitter co - founder David Dorsey has expressed bullish sentiment for it , saying within a decade it could be the only global currency . New technology will be needed , according to Dorsey , which will make the cryptocurrency more approachable and address issues such as bitcoin transactions being slow and costly . There are newer technologies that build off of blockchain and make it more approachable,” Dorsey told The Times. Dorsey has backed California - based Lightning Labs - the start - up focused on the Lightning Network , which should speed up bitcoin - based transactions .
Twitter co - founder David Dorsey has expressed bullish sentiment for it , saying within a decade it could be the only global currency . New technology will be needed , according to Dorsey , which will make the cryptocurrency more approachable and address issues such as bitcoin transactions being slow and costly . Dorsey has backed California - based Lightning Labs - the start - up focused on the Lightning Network , which should speed up bitcoin - based transactions .