By Phoebe Seers and Elizabeth Howcroft

LONDON/PARIS, March 4 (Reuters) – British and U.S. regulators are divided over how to test blockchain-based versions of financial securities, with Britain pushing for a more cautious approach in talks ‌aimed at boosting crypto collaboration, sources said.

The U.S. and Britain announced in September a taskforce for reducing regulation for ‌companies seeking to access each other’s markets and to improve digital asset cooperation.

The split shows how financial regulators globally have to contend with a ​pro-crypto U.S. under President Donald Trump. The U.S. has eased crypto regulation and encouraged cryptocurrency adoption.

Britain also wants to expand its digital assets…