Tomcat
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So after two years of promises and breakfasts, I will finally try to master the vyser about the anatomy of the dump.
Dumps are written to the magnetic stripe. Bands in my youth were of two types, LoCo and HiCo, i.e. high or low coercivity.
Coercivity is the force of magnetization required to record information. For nerds: Measured in Oersteds, but not the essence.
The bottom line is that HiCo uses more energy and is stored on the magnetic stripe longer, and is found in our time a little more than everywhere.
As you know, the dump consists of two tracks, t1 and t2, respectively. For example:
B4558891176769288 ^ ANUS / MICHAEL ^ 1601101000000000000000519000000
455889176769288 = 16011010000000519000
where t1 is the first line, m2 is the second, respectively. By default, numbers and letters fit into the first line; only numbers are included in the second line. The third line that you, a young adherent of real crobing, can find somewhere else is used for all kinds of bonuses and other trinkets, but in our time this is already an atavism.
The first line must contain the letter B, which, as it were, does not mean anything, the next is the number of the card itself ^ surname / name of the holder ^ year, month, service code and the generated tail, which is specific to each bin separately and includes CVV1, which is slightly different than CVV2 which is printed on the face of the card, if my memory serves me. Notice crober, date format, year always comes first, then month. Then follows the service code, that is, the code that indicates the restrictions on the use of the card, a regular card 101, a chipped pin is not required 201, an unchipped pin is required 121, etc. and transactions for purchases are allowed without entering a pin.
In the second line, there is actually t2 where the card number = eksp, service code and the tail, where CVV1 is present. In our case it is "519".
As you already understood, there is no pin on the magnetic stripe. It is stored in the bank or in the form of keys in the pincode block itself in the ATM. (I don’t remember exactly here)
Contrary to widespread rumors, t1 is not at all necessary for cashing out the cherished d + n (aliluya), when cashing out, the ATM reads only information from t2, and if all the ice and loot are on the balance sheet, then it gives out the bubble according to the limits set by the bank for tranza / day.
What is T1 for? It is needed specifically for POS (Point of Sale). a typewriter that stands in stores and serves the merchant of the enterprise. It reads the info from t1 and t2 and sends the info from t2 to the bank for reconciliation / approval, and prints the info from t1 on the sales receipt in the form of the buyer's name and in most cases the last 4 digits of the card. I also saw in my lifetime poss that print the first 6 and last 4 cards. But this only happened in Europe, so be careful, young Crober.
There is one "but" in the above about t1. Transfers less than about $ 300 are not required. You can cheat by recording t2 on your disc and go to the shop. I will sadden you, crober, with a purchase price of more than $ 300, POS requires t1, if he does not find one, then he declines. Again, personal experience, nothing more. Do not be lazy and write down t1 and you will be happy. It is also advisable to keep the original number of characters in the line of the name. That is, if in our case ^ ANUS / MICHAEL ^ is 13 characters long, taking into account the space, and you are already smart with us, you enter the left name with a fake ID, but you have it, for example, 15 characters, then try to shorten the result to the length of the original. Also, if you suddenly have a Chinese name via SUN / WIN and the length is shorter, correct the mistake with spaces, in our example the "correct" t1 looks like this:
B4558891176769239 ^ SUN / WIN ______ ^ 1601101000000000000000519000000
As you can see, the number of characters in the name is preserved using spaces. This track will be quite edible for the bank as something FSUs on the meaning of symbols, the main thing for him, oddly enough, is their number. And lo and behold, POS will spit out a receipt for you with the name you need and with a good standing of Venus in the house of Jupiter and sufficient balance on the brush, the desired approval.
It is also rumored that the last 4 digits that are printed on the pose occur precisely from t1, and if we do the same trick with them, then we will solve the problem of reconciliation with the card number. From personal experience I will say that yes, the last 4 are taken from t1, but if you change them in the same way as we did with the example of phio, then the tranza will give a declline, because t1 is checked not only with the bank but also with t2 directly on the pos-terminal, and if the verification passes unsuccessfully, then the pic will immediately give out that the card is invalid.
This concludes my short review, because the time is already late, and the memory is no longer the same, I am getting old.
Dumps are written to the magnetic stripe. Bands in my youth were of two types, LoCo and HiCo, i.e. high or low coercivity.
Coercivity is the force of magnetization required to record information. For nerds: Measured in Oersteds, but not the essence.
The bottom line is that HiCo uses more energy and is stored on the magnetic stripe longer, and is found in our time a little more than everywhere.
As you know, the dump consists of two tracks, t1 and t2, respectively. For example:
B4558891176769288 ^ ANUS / MICHAEL ^ 1601101000000000000000519000000
455889176769288 = 16011010000000519000
where t1 is the first line, m2 is the second, respectively. By default, numbers and letters fit into the first line; only numbers are included in the second line. The third line that you, a young adherent of real crobing, can find somewhere else is used for all kinds of bonuses and other trinkets, but in our time this is already an atavism.
The first line must contain the letter B, which, as it were, does not mean anything, the next is the number of the card itself ^ surname / name of the holder ^ year, month, service code and the generated tail, which is specific to each bin separately and includes CVV1, which is slightly different than CVV2 which is printed on the face of the card, if my memory serves me. Notice crober, date format, year always comes first, then month. Then follows the service code, that is, the code that indicates the restrictions on the use of the card, a regular card 101, a chipped pin is not required 201, an unchipped pin is required 121, etc. and transactions for purchases are allowed without entering a pin.
In the second line, there is actually t2 where the card number = eksp, service code and the tail, where CVV1 is present. In our case it is "519".
As you already understood, there is no pin on the magnetic stripe. It is stored in the bank or in the form of keys in the pincode block itself in the ATM. (I don’t remember exactly here)
Contrary to widespread rumors, t1 is not at all necessary for cashing out the cherished d + n (aliluya), when cashing out, the ATM reads only information from t2, and if all the ice and loot are on the balance sheet, then it gives out the bubble according to the limits set by the bank for tranza / day.
What is T1 for? It is needed specifically for POS (Point of Sale). a typewriter that stands in stores and serves the merchant of the enterprise. It reads the info from t1 and t2 and sends the info from t2 to the bank for reconciliation / approval, and prints the info from t1 on the sales receipt in the form of the buyer's name and in most cases the last 4 digits of the card. I also saw in my lifetime poss that print the first 6 and last 4 cards. But this only happened in Europe, so be careful, young Crober.
There is one "but" in the above about t1. Transfers less than about $ 300 are not required. You can cheat by recording t2 on your disc and go to the shop. I will sadden you, crober, with a purchase price of more than $ 300, POS requires t1, if he does not find one, then he declines. Again, personal experience, nothing more. Do not be lazy and write down t1 and you will be happy. It is also advisable to keep the original number of characters in the line of the name. That is, if in our case ^ ANUS / MICHAEL ^ is 13 characters long, taking into account the space, and you are already smart with us, you enter the left name with a fake ID, but you have it, for example, 15 characters, then try to shorten the result to the length of the original. Also, if you suddenly have a Chinese name via SUN / WIN and the length is shorter, correct the mistake with spaces, in our example the "correct" t1 looks like this:
B4558891176769239 ^ SUN / WIN ______ ^ 1601101000000000000000519000000
As you can see, the number of characters in the name is preserved using spaces. This track will be quite edible for the bank as something FSUs on the meaning of symbols, the main thing for him, oddly enough, is their number. And lo and behold, POS will spit out a receipt for you with the name you need and with a good standing of Venus in the house of Jupiter and sufficient balance on the brush, the desired approval.
It is also rumored that the last 4 digits that are printed on the pose occur precisely from t1, and if we do the same trick with them, then we will solve the problem of reconciliation with the card number. From personal experience I will say that yes, the last 4 are taken from t1, but if you change them in the same way as we did with the example of phio, then the tranza will give a declline, because t1 is checked not only with the bank but also with t2 directly on the pos-terminal, and if the verification passes unsuccessfully, then the pic will immediately give out that the card is invalid.
This concludes my short review, because the time is already late, and the memory is no longer the same, I am getting old.
