Blockchain Tokenization via Redeem Scripts for Secure Asset Transfer
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Solution Overview
Problem
Existing blockchain systems are limited in their versatility and require trusted third parties for secure asset transfer and ownership, lacking efficiency and anonymity.
Innovation Solution
A method utilizing blockchain transactions with embedded redeem scripts and cryptographic keys to securely transfer and manage tokens representing assets, enabling secure, efficient, and anonymous transactions without altering the underlying blockchain protocol.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional property transfer methods are used, then security and trust are maintained through physical delivery and intermediaries, but transaction speed and efficiency deteriorate due to manual processes and geographical limitations
Solution Approach 1:
The patent introduces a trusted third party (issuing authority) that mints and manages redeemable tokens on the blockchain. This intermediary ensures security and trust by controlling token issuance and redemption, while the blockchain provides transparent verification. The intermediary resolves the contradiction by providing security guarantees without requiring physical delivery, enabling fast digital transactions.
Solution Approach 2:
The system performs preliminary actions by pre-minting tokens with embedded redeem scripts and cryptographic keys before actual asset transfer. The tokens are prepared in advance with all necessary security credentials, allowing immediate transfer upon creation. This eliminates the need for physical delivery and manual verification during the actual transaction.
2Productivity
If blockchain technology is used for digital asset transfer, then transaction efficiency and speed improve, but the need for trusted third parties and system complexity increases
Solution Approach 1:
The patent creates a universal token structure that can represent multiple types of assets (physical property, digital assets, contractual rights) through a single standardized implementation. The redeemable token framework is multi-functional, handling issuance, transfer, redemption, and verification through unified blockchain operations. This reduces system complexity by providing a single solution for diverse asset types.
Solution Approach 2:
The token structure embeds multiple layers of information within a single blockchain object: the token itself contains redeem scripts, cryptographic keys, and metadata about the underlying asset. This nested structure allows complex asset representations to be contained within simple transferable tokens, reducing the need for external tracking systems and simplifying the overall architecture.
3Reliability
If redeemable tokens with embedded cryptographic keys are used, then security and data integrity improve, but memory usage and storage requirements increase
Solution Approach 1:
The patent extracts only the essential cryptographic elements (redeem scripts and public keys) needed for security and verification, storing them within the token on the blockchain. The full asset details and private keys remain outside the blockchain, with only minimal reference data stored on-chain. This extraction approach provides security guarantees while minimizing memory usage.
Solution Approach 2:
The system changes the representation parameters by using cryptographic hash functions to create compact token identifiers and using compressed cryptographic formats. The redeem scripts are optimized to contain only necessary verification logic, and cryptographic keys are stored in efficient formats. These parameter changes reduce storage requirements while maintaining security integrity.
4Adaptability or versatility
If tokens represent contractual rights and smart contracts, then versatility and adaptability improve, but transaction validation complexity and processing time increase
Solution Approach 1:
The patent segments the token functionality into distinct components: the token itself represents the asset, while separate redeem scripts encode the contractual rights and conditions. This segmentation allows the blockchain to verify basic token transfers simply, while complex contractual logic is executed separately through the redeem scripts. The segmentation reduces validation complexity by separating simple transfer verification from complex contract execution.
Data Source
AI summary
A method of creating, redeeming and transferring tokens associated with tokens on a peer-to-peer distributed ledger. The method includes including metadata associated with the token in a redeem script, wherein the redeem script is associated with a transaction of cryptocurrency on the peer-to-peer distributed ledger. One aspect of the invention provides a method of issuing and/or transferring a token, comprising the steps of generating a blockchain transaction (Tx) having an output (TxO) related to a quantity of cryptocurrency such as Bitcoin, and a hash of a redeem script. The redeem script comprises metadata which in turn comprises a token. The token is a representation of, or a reference to, a tokenised entity. The redeem script also comprises at least one public cryptographic keys. The metadata is provided in the redeem script at a location which is designated in the underlying blockchain protocol as a location for a cryptographic key.