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Mingyang blockchain Co, Ltd
Publish: 2021-05-10 22:20:05
1. The first six digits of ID card can be used to find the place of ownership. The ID number is a combination code, consisting of seventeen digit ontology code and one digit check code. The sequence from left to right is: six digit address code, eight digit date of birth code, three digit sequence code and one digit check code. The meaning is as follows:
1. Address code: refers to the administrative division code of the county (city, banner, district) where the coding object's permanent residence is located
2. Date of birth Code: indicates the year, month and day of birth of the coding object. The year, month and day are represented by four, two and two digits (less than two digits plus 0) respectively, and there is no separator between them
3. Sequence code: refers to the sequence number of people born in the same year, month and day within the area identified by the same address code. The odd number of sequence code is assigned to male and the even number to female
4. Check code: one digit
you can take out your ID card and have a look at it. You can see personal information (name, photo, ID number, date of birth, etc.) on the back. There is a deadline for application (date of issue and expiration date). Because there are ID card photos on the ID card, people's appearance may change at different ages or after something happens. Therefore, even if there is no change in the basic information, the ID card can only be valid for a period of time, and it is not permanently valid once handled
but this time span is relatively long, and some people don't use their ID cards much in their daily life, maybe less than a few times a year; Therefore, some people's ID card has expired, but they can't quickly detect it. They are only informed that their ID card has expired when they need to use it. The impact of expired ID card on everyone is quite big, especially when there are business to do, such as applying for the exam, buying air tickets, train tickets, accommodation and so on.
1. Address code: refers to the administrative division code of the county (city, banner, district) where the coding object's permanent residence is located
2. Date of birth Code: indicates the year, month and day of birth of the coding object. The year, month and day are represented by four, two and two digits (less than two digits plus 0) respectively, and there is no separator between them
3. Sequence code: refers to the sequence number of people born in the same year, month and day within the area identified by the same address code. The odd number of sequence code is assigned to male and the even number to female
4. Check code: one digit
you can take out your ID card and have a look at it. You can see personal information (name, photo, ID number, date of birth, etc.) on the back. There is a deadline for application (date of issue and expiration date). Because there are ID card photos on the ID card, people's appearance may change at different ages or after something happens. Therefore, even if there is no change in the basic information, the ID card can only be valid for a period of time, and it is not permanently valid once handled
but this time span is relatively long, and some people don't use their ID cards much in their daily life, maybe less than a few times a year; Therefore, some people's ID card has expired, but they can't quickly detect it. They are only informed that their ID card has expired when they need to use it. The impact of expired ID card on everyone is quite big, especially when there are business to do, such as applying for the exam, buying air tickets, train tickets, accommodation and so on.
2. bitcoin cold wallet is to download a bitcoin client wallet, and then do not let the device (computer, mobile phone, U disk, etc.) where the wallet is stored disconnect. As long as they are not connected to the Internet, hackers can't steal bitcoin from bitcoin, which is the theory. At present, bitcoin cold storage is recognized as the most secure bitcoin storage method in the instry.
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