It's just a playground

My Personal Projects

Ongoing Projects

Launched: Nov 2025
Status: 🌱 Active
Dev.Stage: Early Traction (Post-MVP)

This app is designed to help users track physical, emotional, or sensory changes, and identify connections between various factors in their daily lives and their health status. The app allows for accurate graphical documentation of discomfort or pain through customized marking on a virtual body, while defining the severity and type of sensation.

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Launched: Apr 2025
Status:
Tokens:
Owner Activity:

Flow.Sol

Flow.Sol provides a technical platform for creating dedicated project tokens, enabling entrepreneurs to fund and support various project stages with full transparency and active coin management control. The system allows entrepreneurs to raise financial support through the sale of tokens they issue, while the entrepreneur retains full control of the process without the need for direct communication with investors.

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Launched: Sep 2024
Status: ⏸︎ On Hold
Dev.Stage: Post-MVP
Tokens: Tokens Planned for Issuance

YARRIVA_bot

A bot on Twitter platform for managing and organizing information designed to support ideological debates in a balanced and transparent manner. The system includes advanced tools for data processing, argument analysis, and identifying fundamental principles in disputes, with the aim of offering accurate and effective solutions.
The system is designed to simplify complex debates and make them accessible to users, while maintaining full transparency. A detailed user guide is presented on the project page.

What’s Next? 📢 Preparing for the next milestone
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Status: 🏁 Completed
Dev.Stage: 🏁 Completed
Tokens: 🚫 No Tokens Issued

MyHouseForSale.info

A website designed for the sale of a farm, including a detailed description of the property, its area and orderly management of required documents and authorities. In addition, the site combines a blog with stories about changes in the garden and relevant content for potential buyers.
The site is open to business proposals, including expanding it into a portal for advertising agricultural properties of a similar level or proposals for its sale and use for other purposes.

What’s Next? 💰 Open for offers on the domain and website
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Frameworks & Theories

Thoughts

Just some thoughts I did not want to throw...

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Launched: Dec 2025
Status: 🏁 Completed
Dev.Stage: Conceptual Prototype

Dispersal

This project is a kind of discovery or the most important understanding I can think of in terms of its significance and scope, the time window in which it can be acted upon, and the inability to correct in case of an error. I wasn't sure either, but I will walk you through it step by step and try to explain it to the conclusion. I am raising an issue here that must be in the public debate.
In any case, there is also a great solution.
Walk with me. It will be fun :-)

0 Likes

Launched: Jul 2025
Status: 🌱 Active
Dev.Stage: Research

TimeVoyager

TimeVoyager explores the feasibility of time travel into the future by applying practical implementations of Einstein's theory of relativity. The project investigates how to leverage existing or near-future technologies to achieve forward time dilation for practical purposes.

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Potential Projects

Bio Toothpaste

A research project exploring whether selected beneficial bacteria can be incorporated into ordinary toothpaste to reduce tooth decay by shifting the microbial metabolism of dental plaque toward less acidic pathways.

Tooth decay is largely driven by bacterial metabolism of dietary carbohydrates. Certain bacteria consume sugars and produce acids, lowering plaque pH and causing progressive demineralization of tooth enamel.

The project explores a different approach: introducing selected beneficial bacteria that compete for the same nutrients while producing neutral or alkaline metabolic products. Rather than attempting to eliminate oral bacteria, the objective is to shift resource use and microbial metabolism toward conditions that are less favorable to tooth decay.

The intended delivery mechanism is deliberately simple: ordinary daily toothpaste. Instead of requiring a new habit or dedicated treatment, the bacteria would be delivered during normal tooth brushing.

Two central engineering questions must be investigated:
• Toothpaste stability - Can suitable bacteria, potentially in a dormant or spore-forming state, remain viable during long-term storage inside a normal toothpaste formulation?
• Oral retention and activity - Can twice-daily delivery provide sufficient residence time and metabolic activity in dental plaque to measurably reduce the post-sugar drop in pH?

Permanent colonization may not be required. Repeated delivery through routine brushing could function as continuous reseeding of the oral environment.

Milestone 1 - Research foundation and experimental design
Build a structured review of existing research on oral probiotics, alkali-producing bacteria, cariogenic biofilms, bacterial survival in toothpaste, and relevant delivery technologies.
Identify candidate bacterial strains and define laboratory experiments for testing:
• Survival and stability in toothpaste formulations.
• Activation following brushing.
• Retention in oral biofilms.
• Competition for available carbohydrates.
• Effect on plaque pH following sugar exposure.

The objective of Milestone 1 is to determine whether a practical experimental path exists before proceeding toward formulation development or product prototyping.

Sequential Identity Verification

A concept for authentication based not on what you know, what you possess, or a static biometric trait, but on the continuity of the person over time.

Current authentication methods ultimately rely on something that can be disclosed, stolen, copied or reproduced: passwords, physical devices, cryptographic keys, fingerprints, facial features, retinal patterns, DNA and other biometric characteristics.
Sequential Identity Verification approaches the problem differently. Instead of asking whether a current sample matches a stored identifier, it asks whether the current sample can reasonably be the continuation of the same physical and cognitive process measured previously.

Stage 1 - Dynamic sampling
A short, preferably non-invasive measurement records brain activity continuously through a controlled sequence such as rest, stimulus or task, and response. The result is not a static brain image, but a dynamic trace of how the individual processes and responds.

Stage 2 - Continuity verification
The new trace is compared with the previous verified sequence. The relevant question is not whether the measurements are identical, but whether their differences are consistent with the natural continuation and development of the same individual.
Each successful verification extends the identity sequence. Over time, the accumulated history provides an increasingly constrained description of that particular continuity, rather than relying on a single permanent biometric identifier.

Architecture
The concept does not depend on a particular brain-scanning technology, comparison algorithm or data structure. A practical implementation should aim for sampling that is as fast, accurate, simple and non-invasive as the available technology permits.
The identity history may be cryptographically anchored and decentralized, with cryptographic methods designed to remain replaceable as technology evolves. Different networks may maintain separate identity sequences for different purposes, while each organization or system remains free to define the level of verification, decentralization, privacy and control it requires.

The objective is not simply stronger biometrics. It is to replace authentication based on possession of a reproducible credential with authentication based on continuity: stealing a password, device, biometric sample or even reproducing static biological characteristics would not, by itself, reproduce the verified history of the individual.
Such a mechanism could provide a lower identity layer for systems that require unusually strong assurance that one human corresponds to one continuing identity - including decentralized governance, voting and other high-trust systems.

CRP (Constrained Resolution Protocol)

A protocol for managing and clarifying disputes, intended to transform a state of chaotic, emotional or power-based conflict into a formal, documented and resolvable state.
The protocol is principled and does not depend on any specific technology, platform or central authority, and can be implemented in various ways while maintaining several basic principles:

• Full, transparent and immutable documentation at the required points (for example via blockchain).
• There is no obligation to cooperate; at any stage one may withdraw and move to the regular systems. Non-cooperation itself also becomes part of the record.
• The existence of a safe mechanism for correction, editing and addition of information in earlier stages, without damaging the integrity of the history.
• No dependence on a server, platform or central authority; the protocol is designed to operate in a decentralized and autonomous manner.
Depending on local law, CRP may in practice replace legal proceedings: its outputs may be legally valid documents, including ones that cancel or replace previous agreements.
The purpose of the protocol is to stabilize the conflict, separate facts, harms, responsibility and solutions, reduce manipulation, and create a shared infrastructure that enables either a fair solution - or at least an accurate record for further handling in the real world. Even the absence of agreement is itself a formal outcome that can be carried forward into external processes.

Caution: It is recommended to consult a lawyer before using the protocol, as with any process of legal significance.
The main advantage of CRP is the degree of freedom it provides: independence from the pace and framework of the regular system, and the transfer of procedural control to the citizen - even when that citizen is the attacked or resource-poor party.

CRP systematically separates the layers of a conflict and forces the parties to deal with each layer separately, in a fixed order and under equal conditions:

Stage 1 - Invocation and time reset - the hourglass is turned
One of the parties initiates the process through a formal invocation anchored in the real world (such as registered mail or an equivalent means).
Purpose: To stop escalation, fix a shared starting point, and turn a drifting conflict into a bounded, structured process.

Stage 2 - Consolidation of all raw facts
The parties present only cold facts: events, documents, dates and actions. There is no interpretation and no accusations. Any contradiction requires clarification until agreement or blockage.
Purpose: To create a shared reality - or show that none exists - before entering the dispute itself.

Stage 3 - Declaration of harms
Each party presents how it was harmed: economically, functionally, emotionally or otherwise - without attributing blame.
Purpose: To bring the dimension of damage to light without escalating into a struggle over responsibility.

Stage 4 - Attribution of responsibility and accusations
Only after facts and harms exist are accusations presented: who is responsible for what, and on what basis. This stage is final with respect to claims.
Purpose: To concentrate the dispute in one place instead of dispersing it throughout the process.

Stage 5 - Proposals for resolution
The parties present a space of possible solutions, including extreme ones. The system (and where necessary an external professional or analytical tool) filters out unfair or manipulative proposals and leaves a realistic space.

Stage 6 - Cooling-off period for validation of agreements
An intermediate stage including a cooling-off period, review of consequences and review of asymmetry, as well as the option for external consultation before signing.
Purpose: To ensure that agreement is not the result of pressure, exhaustion or misunderstanding before fixation.

Stage 7 - Closure
Either a chosen framework becomes a formal document, or the process closes without agreement but with full documentation for external use.
Purpose: Not to leave a conflict suspended - but either to conclude it, or to frame it so that it can be handled outside of CRP.

Optional extension layer - interpretive adjudication
Upon full completion of the CRP process, an interpretive adjudication layer may be added, subject to the explicit consent of the parties.

In this layer, the documented output of the protocol is evaluated under a pre-selected framework of rules or norms, such as:
• A specific state legal system
• Religious or traditional legal systems (e.g. Sharia, Grand-Sanhedrin law, Canon law)
• Historical or cultural frameworks (e.g. Roman law, Inca/Maya norms)
• An agreed contractual rule set
• Or any other experimental or conceptual framework

The evaluation may be performed by:
• An AI-based system
• A human reviewing authority
• A jury
• Or any agreed combination thereof

The resulting adjudication:
• Is non-binding by default
• May be used for examination, comparison or simulation
• May serve as a basis for settlement, a binding agreement, or further external handling
• May, under appropriate conditions and by prior agreement, constitute a full substitute for judicial proceedings

This layer is modular and optional, and does not alter the core structure of CRP.
The scope of its authority, binding force and oversight mechanisms is determined in advance by the parties and according to context.

Ex Machina Vitae

A planned research initiative exploring the creation of an AI capable of simulating human-like emotions. This project aims to combine computational logic with inspiration from biological systems to develop a machine that perceives and experiences emotions in a realistic and consistent manner.

PulseSign

This app will be designed to enhance safety by automatically triggering actions in case of missed periodic check-ins. It can be used in various situations, such as for individuals in risky environments, activists, or whistleblowers who need to release critical information in case they are incapacitated. Additionally, it allows for discreet location tracking and emergency alerts for the user.

Physiological Equilibrium Points Calibration

This project is in the planning stages and seeks to research and calibrate the body's physiological equilibrium points. The research will focus on factors affecting physiological sensations such as normal body temperature, natural weight, and mood states like depression, and how they can be adjusted to improve quality of life.

KittyKey

KittyKey will be a smart access system for cats, ensuring secure and intelligent entry by using facial recognition technology combined with app control. The project aims to provide maximum safety and convenience for pet owners while enhancing control and functionality.

Mechanical Energy Storage

A project exploring sustainable energy storage using simple mechanical systems. This concept is in the planning phase and focuses on converting solar energy into stored kinetic energy for potential household use.

LuminEdge

LuminEdge is a project in the development phase, with an initial prototype already printed. The project focuses on creating a simple and durable solution to protect and improve the visibility of vehicle doors, but much more work is needed to reach a mature commercial product.

Past Projects - Software

Other

About Me

I mainly work in software development for desktop, web, and mobile applications.
Besides software development, I'm a Biotechnology engineer (BSc), chemistry laboratory technician, software QA engineer, computer technician, handyman, delivery person, lumberjack, agricultural inspector, and have worked in many other practical roles over the years.

My Skills

- Software development for desktop, web, and mobile applications, QA, computer technician (IL), support & guidance

- Home renovation and painting, organization and arrangement of homes and offices, wood chopping, deliveries

- Field supervision and navigation

- Very high Psychometric score, ability to explain complex topics clearly and transfer knowledge effectively

- Driver's license, unlimited motorcycle license, forklift operator (up to 20-ton capacity), armoured personnel carrier, and 2-star diving certification

- Aesthetic sense, drawing and visual design skills

My Resume

2012-today - Freelancer - Freelance work across multiple technical and hands-on fields, including computer and printer support. Working as a freelancer, employee, or self-employed contractor, depending on project requirements.

2011 - CTrue Ltd - .NET Software Developer - Developed in-house applications in C# WPF using MVVM architecture and MySQL, including UI improvements, functionality enhancements, code standardization, and implementation. Contributed to the development of a facial recognition system in C# WPF. Developed and maintained internal applications and a main WinForms product used by customers to manage endpoint stations. Also maintained the C++ version of the central application deployed across dozens of client sites.

2009-2011 - Shkila Manufacturers Ltd - .NET Software Developer - Software design and development, upgrades of existing systems, and development of multi-threaded WinForms applications integrated with hardware according to customer needs. Worked with serial communication (RS232/485), TCP/IP, and Modbus. Created databases and worked with SQL CE and MS Access. Generated reports using Crystal Reports and ActiveReports. Programmed Koyo Click controllers.

2006-2008 - Check Point Software Technologies Ltd - Software QA Engineer - Set up test environments on servers running Linux and other operating systems, configured client environments and network settings, and simulated network attacks, malware, viruses, and spyware for testing purposes.

2006 - IMI TAMI - Institute for Research and Development Ltd - Analytical Chemistry Technician - Worked with GC (Gas Chromatography) and HPLC (High Performance Liquid Chromatography).

2002-2006 - Technion - Israel Institute of Technology - BSc in Biotechnology and Food Engineering - The four-year program included core courses in mathematics, physics, chemistry, biology, microbiology, genetics, and computer science, together with advanced engineering courses providing the background required to integrate engineering with life sciences and biotechnology.

Contact Me

General Inquiries: Responses will be shared collectively on the website.

Job Offers: Currently not seeking new roles.

Business Proposals/Partnerships: Open to suggestions.

Investor Anonymity: To preserve objectivity and fairness, all investments and token purchases are handled anonymously. I neither track nor receive notifications about who has contributed, ensuring complete privacy for all supporters.

Ani'am, IL

Email: yarriva@gmail.com

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