The handover took place this week, Xinhua quoted US media reports saying on Friday. It was part of the social networking service's effort to aid in the Russian probe.
Those handles were previously not submitted partly due to legal privacy issues, the reports said.
The move came after critics said that the tech giant was not taking the congressional probe seriously enough.
Twitter was also criticised for reportedly deleting tweets and other user data useful to investigators looking into Moscow's suspected manipulation of the social media service during the 2016 election.
The Senate has invited Twitter, along with Facebook and Google, to a public hearing set for November 1.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
About VDC
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.