Bitcoin 減少（する）s more than 10% as scrutiny of cryptocurrencies grows
By Tom Wilson
LONDON, July 15 (Reuters) - Bitcoin 低迷d more than 10% over the 週末 to a two-week low as 恐れるs of a 厳重取締 of cryptocurrencies grew on 開始するing scrutiny of Facebook's planned Libra 数字表示式の coin.
Bitcoin fell 11.1% from Friday to $9,855 早期に on Monday, its lowest since July 2. The 初めの cryptocurrency 低迷d 10.4% on Sunday alone, its second-biggest daily 減少（する） this year. It was last up 1.3% at $10,319.
政治家，政治屋s and 財政上の regulators across the world have called for の近くに scrutiny of Facebook's Libra coin, with 関心s 範囲ing from 消費者 保護 and privacy to its 可能性のある systemic 危険s given the social マスコミ 巨大（な）'s 全世界の reach.
In a 調印する of 広げるing U.S. attention, a 提案 to 妨げる big 科学（工学）技術 companies from 機能（する）／行事ing as 財政上の 会・原則s or 問題／発行するing 数字表示式の 通貨s has been 循環させるd for discussion by Democratic 国会議員s, によれば a copy of the 草案 法律制定 seen by Reuters.
U.S. 大統領 Donald Trump had last week criticised bitcoin, Libra and other cryptocurrencies, 需要・要求するing that 会社／堅いs 捜し出す a banking 借り切る／憲章 and 支配する themselves to U.S. and 全世界の 規則s if they 手配中の，お尋ね者 to "become a bank".
Bitcoin, which 最初 shrugged off Trump's Tweet, fell はっきりと after U.S. 連邦の Reserve Chairman Jerome Powell called for a 停止（させる） to Facebook's 事業／計画（する） until 関心s from privacy to money-laundering were 演説（する）／住所d.
"Together they have 増加するd the tail 危険 that the U.S. will look to 割れ目 負かす／撃墜する on it in some way," said Jamie Farquhar, 大臣の地位 経営者／支配人 at crypto 会社／堅い NKB Group in London.
強調するing the growing attention on Facebook's 計画（する）s, Japanese 当局 have also 始める，決める up a working group to look at Libra's possible 衝撃 on 通貨の 政策 and 財政上の 規則, 政府 sources told Reuters.
European Central Bank policymaker Benoit Coeure is 予定 to 配達する a 予選 報告（する）／憶測 on the 事柄 at a 会合 of G7 大蔵大臣s this week in Chantilly, north of Paris.
Bitcoin climbed nearly 55% in nine days after Facebook 明かすd its 計画（する）s for Libra on June 18, touching an 18-month high of nearly $14,000. The 事業／計画（する） has 上げるd hopes の中で some 投資家s that cryptocurrencies could 伸び（る） wider 受託.
(報告（する）／憶測ing by Tom Wilson, Editing by Andrew Heavens and Ed Osmond)
