The boycott, beginning on Monday, applies to Lloyds Bank, Bank of Scotland, Halifax and MBNA clients.
It won't have any significant bearing to charge cards, just to the saving money gathering's eight million Visa clients.
The move takes after a sharp fall in the estimation of computerized monetary forms, inciting fears about individuals running up obligations.
Lloyds is concerned it could wind up taking care of everything for unpaid obligations should the value keep on falling.
Clarifying the boycott, a Lloyds representative stated: "We persistently survey our items and methodology and this is a piece of that."
Bitcoin finished a week ago down 30% at $8,291.87 - its most noticeably bad week since April 2013 and far beneath the $19,000 it achieved last November.
Be that as it may, the digital currency is still in front of the $1,000 it was exchanging as of now a year ago.
Police have cautioned that advanced monetary standards stay prominent among culprits as they can utilize them to avoid customary tax evasion checks and different controls.
PM Theresa May as of late said that activity against advanced monetary standards might be required "absolutely due to the way they are utilized, especially by lawbreakers".
She told Bloomberg: "In territories like digital forms of money, as Bitcoin, we ought to take a gander at these truly."
The Treasury said that it plans to refresh control to bring virtual cash stages into against tax evasion and counter-psychological militant financing direction.
Facebook as of late reported it would obstruct any publicizing that advances digital money items and administrations.