19 results about "Escrow" patented technology

Systems and methods for computer-implemented commodity transactions using blockchain-based smart contracts. A server with memory executes application to authenticate buyer and seller, receive listing with commodity identifier, quantity, quality, delivery terms, price; generate smart contract specifying participant identifiers, wallet or banking info, order and contract IDs, milestone events, settlement terms; commit contract to blockchain; escrow funds associated with contract; obtain shipment, inspection, and delivery status via oracle; verify milestone satisfaction; release escrowed funds accordingly; record settlement on chain; and update database. Modules may include compliance to compute taxes and fees, identity to perform KYC / AML, and dispute resolver to execute predefined remedies. Optional multisignature escrow and fiat or crypto settlement are supported. Executions store hashes and ledger indices to provide tamper evident audit trails.

An adaptive orchestration platform routes quantum-computing jobs to optimal backends in real time. A broker service ingests a quantum job description expressed in a provider-agnostic canonical schema, polls status metrics for multiple candidate processors, and derives composite scores using machine-learned, user-weighted factors. The highest-scoring backend is selected, and the job is automatically translated into its native instruction format. Payment is secured by a blockchain escrow smart contract that releases segmented disbursements upon queue confirmation, execution start and verified completion against service-level parameters. Results are hashed to an immutable ledger and failures trigger automated re-routing or refunds.

A request to authenticate to a Blockchain as a Service (BaaS) is received from a tenant (e.g., a user that is acting on behalf of a corporation). An authentication credential of the tenant associated with the request to authenticate to the BaaS is determined to be valid. In response to determining that the authentication credential of the tenant associated with the request to authenticate to the BaaS is valid, a level of access is granted to the BaaS. A request is received, from the tenant, to add a transaction block to a blockchain in the BaaS. The blockchain in the BaaS is interspersed with transaction blocks from a plurality of tenants of the BaaS. The transaction block is then added to the blockchain in the BaaS. This addition to the BaaS represents both an Escrow and an Audit capability.

The invention relates to systems and methods for executing a digital-asset transaction using a dual-tier messaging architecture. A central messaging server provides tamper detection and message-integrity verification while routing bilateral messages between transacting devices. A permissioned-blockchain channel manages a smart-contract escrow that holds digital assets in cold storage. A fiat-rail channel integrates a real-time payment protocol to obtain bank or rail confirmation that fiat funds are credited to a seller account. Upon receipt of settlement evidence and a validated session state, the escrow releases the digital asset from a seller cold-storage wallet to a buyer cold-storage wallet. Embodiments may capture a seller opt-in via a banking application, generate a dual-ledger audit trail across permissioned and public blockchains, and emit transaction identifiers for cross-system reconciliation. The approach improves compliance, reduces counterparty risk, and provides verifiable audit artifacts for regulated settlement of digital-asset transfers.

The application discloses a threshold key escrow and member updating method and device based on a blockchain system, relates to the field of combination of blockchain and cryptography, determines a group public key and a private key of a Paillier encryption scheme, and performs threshold share allocation work on the private key of the Paillier encryption scheme according to the number of members in a committee, so that the escrow share of the threshold Paillier private key share of each member after an encryption operation can be placed on the blockchain system; when a member in the committee exits, a threshold Paillier decryption operation and a Lagrange reconstruction method are used to determine the threshold Paillier private key share of a new member and perform an escrow operation. The application can improve the security and convenient operability of the whole key escrow scheme.

The present application relates to a kind of blockchain-based vehicle networking energy security transaction method, belong to vehicle networking and distributed energy transaction field.The method aims at solving the problem of fair pricing under asymmetric information, user privacy protection and transaction efficiency.The gist is that: authority issues certificate for vehicle and roadside unit;Vehicle node signs broadcast transaction request;Roadside unit verifies and broadcasts demand and collects response, then triggers smart contract;The contract is based on bayesian Nash equilibrium model, and the optimal equilibrium transaction volume and price are obtained by solving the first-order condition of maximum expected utility, to realize automatic matching;Identity and data privacy are protected by combining ring signature and zero-knowledge proof;Hybrid consensus mechanism is used to improve efficiency;Finally, deposit escrow, settlement and default handling are automatically completed by contract.The method is used to build decentralized, safe and reliable vehicle networking energy transaction market.

A multi-platform escrow system for private construction projects is disclosed, providing robust deposit, verification, and dispute resolution functionalities. The invention integrates various payment methods—including online gateways, bank transfers, manager’s checks, and cash deposits—into a single escrow account. Contractors submit billing documentation through web portals, mobile apps, spreadsheets, or manual means, which a proprietary audit algorithm crossreferences against contractual milestones. The system features conditional disbursement that automatically withholds or releases funds based on compliance, augmented by a dispute resolution mechanism for contested milestones. Designed for nationwide adoption, this invention increases transparency, ensures accurate milestone-based payments, and mitigates the risk of misappropriation within the construction industry.

This invention discloses an intelligent management method for security deposits in construction machinery leasing transactions, relating to the field of construction machinery leasing security. The method includes: a trading platform intelligently estimating the security deposit amount and automatically generating initial leasing information based on information about the lessee, leasing needs, and the construction machinery equipment; confirmation of the initial leasing information by both the lessor and lessee, and uploading the final leasing information to the trading platform; the trading platform sending the escrow account information to the lessee based on the final leasing information, the lessee paying the security deposit to the escrow account, and the escrow account sending a freeze notification to the trading platform; after the security deposit is frozen, the lessor leasing the corresponding construction machinery equipment to the lessee; and the trading platform confirming the completion of the leasing and sending a release notification to the escrow account, automatically returning the corresponding security deposit to the lessee. This invention achieves intelligent management of security deposits in construction machinery leasing transactions, reducing the dual leasing risks for both the lessor and lessee.

The invention provides a second-hand cargo online transaction system and method. The method comprises the following steps: determining a credible evaluation report; binding the credibility evaluation report with the unique identifier of the second-hand commodity, generating a non-tampering digital credibility certificate, and storing the digital credibility certificate and an out-of-chain storage address index in an alliance chain in an associated manner; when a transaction request is received, providing an estimation confidence interval as a transaction reference based on the digital credible voucher, automatically executing fund trusteeship and on-chain material right circulation record registration after a buyer and a seller confirm a reference opinion, and further generating a new transaction circulation node and writing the new transaction circulation node into a life cycle tracing chain; and when a query request of an authorized user is received, retrieving all transaction transfer nodes in the alliance chain, assembling the transaction transfer nodes to obtain life cycle traceability information, and returning the life cycle traceability information to the authorized user. By adopting the scheme of the invention, full-life-cycle tamper-proof traceability from commodity multi-mode intelligent evaluation to credible automatic transaction execution can be realized.

Systems and methods are disclosed for orchestrating sensitive identity actions, including recovery, re-keying, and credential rotation, using risk-conditioned control selection and enforceable authorization gates. A gateway obtains contextual signals, computes a risk output, and selects a discrete policy band specifying required step-up verifications, a quorum threshold t, and a cryptographic profile. When quorum authorization is required, an escrow instance is initiated that stores required step-ups and threshold t, custodians are assigned, and approvals are accepted only from assigned custodians and only upon verifiable step-up satisfaction. Upon quorum satisfaction, the system releases a release value, performs crypto-agile re-keying under classical, hybrid, or post-quantum profiles, and optionally executes a dependency-aware rotation plan with validation and rollback. The system generates decision receipts and audit events binding inputs, policy outputs, approvals, escrow transitions, and resulting actions, with optional integrity protections enabling independent verification and tamper detection.

The embodiments herein provides a computer-implemented system and method for facilitating on-demand task assignment and management in a distributed network. The system dynamically connects task requesters with service providers through an algorithmic matching engine that evaluates factors such as skills, location, availability, and reputation. A bidding mechanism allows service providers to compete for tasks, while an integrated escrow-based payment system ensures secure transactions. The platform further incorporates a reputation management system with user ratings and verification features to enhance trust and reliability. By automating task posting, matching, scheduling, and payment processing, the invention optimizes efficiency, transparency, and scalability in peer-to-peer task outsourcing. The system is accessible via web and mobile interfaces, enabling real-time coordination between users across diverse geographic locations.

The present disclosure provides systems and methods that may convert traditional tickets into secure digital assets protected by cryptographic public / private keys that deploy these tickets on a blockchain. By structuring these tickets as smart digital contracts, such system can act as a self-policing escrow while simultaneously allowing ticket issuers greater control over the tickets after the tickets leave the ticket issuers' possession. The system can incorporate specific capabilities into the digital assets to provide an increased level of multiple ownership, security granularity, and sales restrictions in ticket transactions.

Systems and methods can include a marketplace for securitized intellectual property with tokenization of shares and clearance and settlement of transfers. Tokenization can include maintaining a marketplace for securitized IP, receiving a request from an authorized entity to register a security, and registering the security within the marketplace. Registering can include receiving an escrow account for the security, executing a contract, and generating a number of shares for the security for exchange within the marketplace. Clearance and settlement of transfers can include receiving a trading request, calculating a total price for the trading request, and processing the trading request. Processing can include generating a unique token for the trading request, executing a transfer of the shares from a seller to a clearinghouse application, executing a transfer of currency from a buyer to the clearinghouse application, and executing a transfer of the shares from the clearinghouse application to the buyer.

are disclosed. A method may include: receiving, at a payment agreement computer program executed by a backend and from a buyer computer program, a selection of a payment agreement option for a purchase involving a good from a seller; receiving, by the payment agreement computer program and from the buyer computer program, a transaction amount and a seller account identifier; transferring, by the payment agreement computer program, the transaction amount from a buyer account to an escrow account; notifying, by the payment agreement computer program, a seller computer program for the seller that the transaction amount is in the escrow account; receiving, by the payment agreement computer program and from the seller computer program, verification that the transaction amount is correct; and transferring, by the payment agreement computer program, the transaction amount from the escrow account to a seller account.

This application discloses a method and system for cross-network settlement of prison-affiliated purchasing based on shadow order aggregation, relating to the field of prison e-commerce information management. The method includes: obtaining the purchasing needs of detainees within a preset time window and reviewing their account rules; aggregating approved needs by product category to generate a set of shadow orders; screening and scoring external candidate suppliers based on multi-dimensional evaluation indicators and allocating supply shares; generating aggregated cross-network settlement instructions and sending them to the external e-commerce platform via a secure isolation gateway, freezing transaction funds and risk deposits in a virtual escrow account; triggering fund unfreezing after receiving the corresponding share at the prison end, and returning or deducting the deposit according to the confirmation result to complete the settlement. This achieves centralized convergence of cross-network settlement interaction for prison-affiliated purchasing, effectively reducing the risk of exposure of detainees' identity and privacy information, and significantly improving supplier supply collaboration efficiency and risk control capabilities throughout the cross-network settlement process.

Systems and methods for a secure cross-chain atomic swaps are disclosed herein. A user submits to a swap platform a signed limit order to atomically swap an amount of input token for an output token. The swap may involve a Dutch auction approach, in which the order execution price depends on time of inclusion in a block and decreases over the duration of the Dutch auction. The swap platform provides the order details to whitelisted resolvers to evaluate if / when / how to fill the order. Once a resolver makes that determination, it can utilize smart contracts associated with the swap platform to perform the atomic swap on behalf of the user and itself (e.g., without active involvement of the user). Input tokens deposited on an escrow contract are unlocked at the same time that output tokens deposited on another escrow contract are unlocked.

An engineering construction project fund trusteeship and payment safety guarantee system comprises the steps that a double-layer alliance chain network is constructed, multi-source heterogeneous data of an overall planning supervision unit and sub-subunits of a target construction project is collected, and block chain evidence storage operation is carried out; performing three-level dimension subdivision item definition on the total project style of the target construction project, performing time-progress-space-quality composite rule mapping on each subdivision item, and constructing a payment triggering intelligent contract; constructing a quality inspection analysis model, and performing fund demand-progress verification-quality verification three-dimensional linkage verification on fund payment applications of the overall planning supervision unit and the sub-subunits based on the payment triggering intelligent contract and the constructed quality inspection analysis model; and dynamically adjusting the payment triggering smart contract based on the three-dimensional linkage verification result. The system solves the problems of high embezzlement risk, opaque payment, data isolated island and the like in the traditional fund management, is suitable for various engineering construction scenes, guarantees the rights and interests of multiple parties, and improves the supervision efficiency.

Decentralized marketplace system for processing purchase transactions of physical goods, including: a) a tokenization module that generates a non-fungible token for each physical product on a distributed ledger technology (DLT) and stores metadata of the token in a decentralized storage system; b) a marketplace program that provides at least functions for creating a listing, purchasing (buy_now), submitting shipping information (submit_tracking) and confirming delivery (confirm_delivery); c) an escrow smart contract which, upon triggering buy_now, locks a purchase token in an escrow vault, transfers a transaction fee to a fee vault, and immediately delivers the non-fungible token to the buyer; d) a carrier oracle that transmits a cryptographically signed delivery event with timestamp and nonce to the escrow smart contract, the smart contract verifying the validity of the delivery event by signature verification; e) a mechanism which, after successful verification of the delivery event, releases the purchase token locked in the escrow vault to the seller; f) a mobile front-end that communicates with the DLT via a wallet adapter interface, transfers image data to the decentralized storage for tokenization and provides the marketplace functions mentioned in b) to the user.

This invention relates to the field of digital technology in e-commerce and auditing services, and provides a method and system for auditing services transactions on e-commerce platforms, including the following steps: receiving payment instructions sent by the buyer's terminal, verifying the payment result and generating a transaction record, transferring the corresponding order amount to the platform's escrow account after verification, and updating the order status to pending fulfillment; controlling the order status based on the seller's fulfillment information, the buyer's confirmation information, and dispute instructions; and executing seller settlement when receiving a buyer's confirmation completion instruction and there are no dispute instructions for the order, transferring the corresponding funds in the platform's escrow account to the seller's account. By placing product review, professional screening, order snapshots, and escrow settlement in a unified process, the controllability and structure of the auditing service transaction process are achieved.