Banknote Shredding With Timed Serial Capture for Digital Currency
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Solution Overview
Problem
There is a need for a system and method to manage the conversion of physical currency to digital currency to maintain control over the total money supply as more electronic forms of money emerge, ensuring that physical currency is effectively destroyed and its value is transferred to digital currency without the risk of double spending.
Innovation Solution
A device with a slot, conveying mechanisms, optical devices for scanning and capturing serial numbers, and a shredding assembly is used to process banknotes, ensuring that a sufficient portion is destroyed before capturing a confirmation image of the serial number, which is then used to create new digital currency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the banknote is shredded completely before capturing the confirmation image, then the destruction is more thorough, but the serial number may be destroyed along with it making confirmation difficult
Solution Approach 1:
The confirmation image is captured at a strategically determined point during the shredding process, before the serial number is completely destroyed. This preliminary action ensures the serial number is still visible for confirmation while the destruction process is sufficiently advanced to invalidate the banknote.
Solution Approach 2:
The system uses feedback from the shredding process to determine when to capture the confirmation image. By monitoring the destruction progress and identifying the optimal moment when the banknote is sufficiently destroyed but the serial number remains visible, the system achieves both thorough destruction and information preservation.
2Measurement precision
If the banknote is scanned completely before shredding, then full image quality is obtained, but the process time increases
Solution Approach 1:
The optical scan is performed as a preliminary action before the shredding process begins. This allows the complete image to be captured in advance, and the confirmation image to be captured during the shredding process itself, eliminating the need for a separate post-shredding scanning step and reducing total processing time.
3Reliability
If the confirmation image is captured after complete shredding, then destruction is confirmed, but the serial number may no longer be visible
Solution Approach 1:
The system replaces the traditional approach of verifying physical destruction with an optical confirmation system. By using optical devices to capture images during the shredding process, the system can electronically confirm destruction based on image analysis rather than requiring physical inspection of shredded remains.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures that physical banknotes are invalidated after destruction, preventing double spending and maintaining a constant total money supply by securely converting physical currency to digital currency.
Implementation Method 1
a first optical device for scanning images of the banknote passed through the slot
Implementation Method 2
a second optical device for capturing a confirmation of destruction image of the banknote, the confirmation of destruction image including a serial number of the banknote
Data Source
AI summary
A system and method for transforming physical currency in the form of banknotes into digital currency is disclosed. The system includes a device that can scan and destroy banknotes, and send information about the destroyed banknotes to a digital currency minting system so that a corresponding value of digital currency can be created on a corresponding digital currency network. The device includes at least two optical devices, where one of the optical devices is displaced from a shredding assembly at a particular distance to ensure that a confirmation of destruction image including a serial number on the banknote can be captured at approximately the same time that a sufficient amount of the banknote has been shredded to render the banknote invalid for use as currency.