In embodiments of the present invention, systems are provided for an interface configured to handle a unique identifier for a first digital token, a cryptographic token generation system that generates a second digital token that is unique and cryptographically secure, and a linking system configured to generate a one-to-at-least-one link between the second digital token generated by the cryptographic token generation system and the first digital token, such that the second digital token provides a unique digital tokenization of the first digital token. In embodiments, a rule system is configured to manage and apply a set of rules to the second digital token, wherein the set of rules includes a lock rule that restricts one or more transaction actions involving the second digital token and an unlock rule that removes the restriction of the one or more transaction actions involving the second digital token.

In embodiments of the present invention, methods are provided for maintaining a plurality of public addresses and a plurality of virtual representations and digital tokens of a plurality of items where each digital token is cryptographically linked to a respective instance of the item represented by the virtual representation. A request may be received to participate in a transaction for an item represented by a specific virtual representation and a transfer request received to transfer the specific digital token to a different user, where the transfer request includes a digital-token identifier that identifies the specific digital token and a public address of the different user, and a token validation and redemption process is completed.

In embodiments of the present invention, methods are provided for executing a smart contract that facilitates electronic transfer of non-fungible tokens to a user according to a recipe. Each respective non-fungible token may be cryptographically linked with a digital representation of a respective asset that can be won by the user. A recipe may define a respective probability that the respective non-fungible token is awarded to the user and a manner by which the respective non-fungible token is awarded to the user. A smart contract may be generated using a random number and one of the non-fungible tokens selected based on the random number and the recipe and transferred to a digital wallet of the user.

Computer-implemented methods, apparatuses, and systems for transferring a transaction using a blockchain integrated station are provided. The blockchain integrated station includes a central processing unit (CPU) and a smart network card. The smart network card is configured to receive a transaction of a blockchain network, wherein the blockchain integrated station is a blockchain node of the blockchain network, and determine other blockchain nodes in the blockchain network; and in response to determining the other blockchain nodes of the blockchain network, transfer the transaction to the other blockchain nodes of the blockchain network.

A multi-function transaction card may include a card body having dimensions that are in accordance with a standard for transaction cards, an output device on the card body, and a secure element within the card body. The multi-function transaction card may pair, via a wireless connection, the multi-function transaction card with a terminal. The multi-function transaction card may receive, from the terminal, information associated with a transaction. The multi-function transaction card may generate, based on the information associated with the transaction, and using a cryptographic key, an authorization request cryptogram (ARQC), wherein the cryptographic key is stored in the secure element. The multi-function transaction card may generate, based on the ARQC, a machine-readable code. The multi-function transaction card may display, using the output device, the machine-readable code.

A smart network card included in a blockchain node device performs a transaction consensus on a first transaction with one or more nodes in a blockchain network that includes the blockchain node device, where the blockchain node device includes the smart network card, at least one central processing unit, and a smart contract processing chip. In response to a determination that the first transaction passes the transaction consensus, the smart network card sends the first transaction to the at least one central processing unit. The at least one central processing unit sends a second transaction associated with the first transaction to the smart contract processing chip, where the second transaction is used to call a smart contract. The smart contract processing chip receives the second transaction from the at least one central processing unit. The smart contract processing chip executes the smart contract.

A first logic circuit included in a processor receives a first digital signal, where the first logic circuit includes a special purpose register, a comparator, and an adder, where the special purpose register stores a first resource balance for executing a smart contract, where the first digital signal includes a resource deduction quota corresponding to a code set in the smart contract. The first logic circuit reads the first resource balance from the special purpose register. The first logic circuit compares, using the comparator, the first resource balance with the resource deduction quota. In response to the first resource balance being greater than or equal to the resource deduction quota, the first logic circuit subtracts, using the adder, the resource deduction quota from the first resource balance to obtain a second resource balance. The first logic circuit stores the second resource balance in the special purpose register.

A resource management institution receives first transfer indication information from a first service institution, where the first transfer indication information is based on a resource transfer request of a user, where the resource transfer request requests a transfer of a resource to a target account controlled by the resource management institution, and where the resource management institution and the first service institution are connected to a blockchain. Transfer information of the resource is generated based on transaction information of a transaction of the user stored on the blockchain. In response to determining that a consensus on the transfer information succeeds, the transfer information is stored on the blockchain, where participants of the consensus include the resource management institution and the first service institution. The resource is transferred, based on the first transfer indication information, to the target account.

Examples in this application disclose data check computer-implemented methods, media, and systems. One example computer-implemented method includes retrieving, by a trusted execution environment (TEE), a check-triggering instruction from a server, where the check-triggering instruction is configured to trigger the TEE to perform a consistency check on basic data of a user to be identified, in response to the check-triggering instruction, retrieving, by the TEE, encrypted standard basic data of the user from a trusted institution, retrieving, by the TEE, encrypted basic data of the user from a first institution, retrieving, by the TEE, the basic data of the user by decrypting the encrypted basic data, performing, by the TEE, the consistency check on the basic data of the user based on the encrypted standard basic data to obtain a check result, and sending, from the TEE, the check result to a second institution.

Examples in this application disclose an information sharing methods, media, and systems. One example method includes receiving, by a trusted execution environment (TEE), a user verification result acquisition request from a first institution, where the user verification result acquisition request is configured to request a verification result associated with a user, receiving first encrypted data of the user from a second institution, decrypting the first encrypted data to obtain first user basic data, receiving second encrypted data of the user from a trusted institution, decrypting the second encrypted data of the user to obtain second user basic data, in response to the user verification result acquisition request, determining the verification result of the user to indicate whether the first user basic data matches the second user basic data, and sending the verification result of the user to the first institution.