| 摘要 |
<P>PROBLEM TO BE SOLVED: To exchange an electronic "currency" as a file while preventing "an illegal copy". <P>SOLUTION: "An electronic money file" is an execution file consisting of a program part and a data part, and when the "electronic money file" exists in the HD of a personal computer, the "electronic money file" is started at the same time when an OS is started by turning on the power of the personal computer to subsequently be active, continuously monitoring illegal copies and illegal alteration. In the program part, there are a division program for the "electronic money file", an addition program, a transfer program, etc., in addition to a check program for the illegal copies and the illegal alteration. Copying is inhibited, and a file is transferred by the active "electronic money file" itself. This more firmly prevents the illegal copies and the illegal alteration. <P>COPYRIGHT: (C)2004,JPO |
