private String owner 聊天室创建人 ; 会议室创建人
owner string
主人字符串
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Effectively Bitcoins are a very long meaningless string of digits that only have value if their owner uses a shorter related number, known as a private key, to spend them.
BBC: Bitcoin
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