吴说区块链
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On the Birth of a U Card: It Actually Requires Connecting 6 Links!
Author: @portal_kay
A few days ago, I saw someone fiercely criticizing a well-known U card project, and during the confrontation, keywords like 'BIN Sponsor' and 'Issuer' emerged, involving a lot of industry knowledge related to U card issuance.
Although U cards have become an increasingly common supplementary payment tool for Web3 users, many may not be clear about their issuance mechanism.
OK, today let's break down the complete process of the birth of a U card.
1. U Card Issuance Process Flowchart
As usual, let's start with the diagram.
To launch a crypto card that can be used for consumption, at least 6 key participants are involved:
A few days ago, I saw someone fiercely criticizing a well-known U card project, and during the confrontation, keywords like 'BIN Sponsor' and 'Issuer' emerged, involving a lot of industry knowledge related to U card issuance.
Although U cards have become an increasingly common supplementary payment tool for Web3 users, many may not be clear about their issuance mechanism.
OK, today let's break down the complete process of the birth of a U card.
1. U Card Issuance Process Flowchart
As usual, let's start with the diagram.
To launch a crypto card that can be used for consumption, at least 6 key participants are involved:
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