Can Harberger succeed on the blockchain?
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Sendover Whitepaper: A Comprehensive Overview of the Harberger Mechanism and Tokenomics
(American English version, for X/Twitter, Discord, and the U.S. crypto community)
I. Origins of the Mechanism: What Is the Harberger Mechanism?
1. Core Principles and Rules
In 1962, economist Arnold Harberger proposed a floating-property-rights economic model that broke with the constraints of traditional permanent private ownership. Its core logic is that asset owners declare their own asset valuations and pay taxes based on them; anyone in the public can purchase the asset unconditionally at its publicly listed price.
Simplified operating rules (Harberger tax): You set the price of your asset and pay tax based on that valuation. If anyone is willing to pay your listing price, you cannot refuse to sell.
- If you set the price too high: Your tax burden becomes heavy.
- If you set the price too low: Your asset can easily be bought out.
- These two-way constraints compel owners to report their valuations honestly, directing resources to those who can make the best use of them while returning tax revenue to the community.
2. Core Features and Historical Limitations
Features: This is a reformed property-rights system between full private ownership and public ownership. Its aim is to preserve incentives to improve assets while directing them to those who can make the best use of them. Tax revenue is distributed to the community to redistribute value.
Why it remained little known for 60 years: Real-world barriers, such as high enforcement costs, the lack of trustless computation, and opaque revenue distribution, kept this theory at the academic-concept stage for more than six decades.
Unresolved practical questions: Who calculates the tax? Who carries out asset transfers? How can misappropriation of funds be prevented?
II. On-Chain Deployment: How Sendover Works
1. The Breakthrough
Blockchain and smart contracts provide decentralization, immutability, automatic execution, and full transparency, filling a missing piece. Sendover follows the principle of “board first, token second,” combining Harberger rules with board ownership and automatically returning protocol fees to board seat holders.
2. The Board and Its Rules
- Board composition: There are 100 Pepe art seats on Ethereum mainnet. Each wallet may claim up to 5 seats.
- Claim fee: 0.01 ETH + your self-reported listing price. Any additional funds you deposit will serve as a tax deposit.
- How the Harberger tax works: Your seat is always available for others to acquire.
- Lower valuation: Lower taxes, but a higher risk of being bought out.
- Higher valuation: Less likely to be bought out, but you must pay a weekly tax of 5% of your listing price.
- Acquisition rules: Buyers must pay the listing price + a 10% transaction fee. Funds are settled instantly.
- Inactivity penalty: Once your deposit is depleted, your seat will be reclaimed. If you remain inactive for an extended period, your listing price will automatically decrease by 20% every two weeks (to a minimum of 10% of the original listing price).
3. Fund Distribution
- Board transaction fees: 90% is distributed proportionally to board seat holders; 10% goes to the project treasury.
- Harberger tax revenue: 50% goes to the project treasury, and 50% is shared among board seat holders.
Highlights: When a user bids to take a seat, all other board seat holders receive a share of the proceeds. The more competition for seats, the greater the returns for holders.
III. Tokenomics ($SENDOVER)
- Official portal: sender.family
- Total supply: Fixed at 1,000,000,000 tokens, with no minting allowed.
- Trading pool: A Uniswap V4 ETH trading pool will be activated at launch. Liquidity is permanently locked in the contract and cannot be withdrawn.
- Anti-sniping protection: Bot protection will be enabled for the first 3 blocks after launch. Each wallet is limited to holding 5% of the total supply.
- Trading fee distribution: 70% is distributed to the 100 board seat holders, automatically by the contract through sendover.fun; 30% goes to the project treasury.
- Treasury fund allocation: 24% is used to burn tokens, and 6% is allocated to the creator.
Summary: Holding a board seat lets you earn passive income from board transactions and token trading volume. A board seat also grants you membership, enabling you to participate in the protocol.
IV. Core Advantages and Project Disclaimer
1. Core Advantages
1. Truly scarce: Only 100 permanent seats are available, unlike typical PFP collections with tens of thousands of NFTs.
2. Strategic gameplay: It’s about more than trading and watching charts. The Harberger tax turns ownership into a game of pricing, defending, and competing for assets.
3. Dual income streams: Returns come from board activity and token trading volume.
4. Anti-stagnation mechanism: Long-inactive seats are automatically repriced and returned to the market, keeping the board in constant rotation.
5. Secure and transparent: Deployed on Ethereum mainnet, with verified contracts. It has passed 3 independent security audits and completed 65 test cases.
2. Project Disclaimer and Security Notice
- No price predictions, profit guarantees, or promises of massive gains or 100x returns.
- Board seats and the treasury currently share a single wallet; a multisig wallet has not yet been implemented.
- “Liquidity lock” applies only to the $SENDOVER trading pool on the sender platform, not to treasury funds for board seats.
- Current status: All 100 board seats have been claimed, and the token is fully integrated with the board system.
- Security alert: The official $SENDOVER contract address will only be announced on the official website sendover.fun and the official account @sendovercto. Any contract address shared before an official announcement is a scam. Block and report scammers immediately.
V. Development Trends and Future Outlook
1. Core Properties and Potential Advantages
Core concept: On-chain Harberger COST. Asset owners set their own valuations and continuously pay a holding tax. Anyone can initiate a forced acquisition at the publicly listed price, and the smart contract automatically transfers the asset. Sendover handles settlement, governance, and value capture.
Six key advantages:
1. Improves asset circulation: Addresses hoarding and overpricing of NFTs, domains, and metaverse land, improving resource utilization.
2. Endogenous, recurring cash flow: Assets in the protocol generate holding fees, creating a complete cycle that supports token burns, staking rewards, and treasury revenue.
3. Fully automated and trustless: Rules are hard-coded into smart contracts, with no need for intermediaries or arbitrators.
4. Aligned incentives: The two-way game mechanism encourages holders to declare fair valuations and enables the market to discover prices naturally.
5. Naturally suited to Web3 verticals: Applications include domains, metaverse land, digital IP rights, protocol seats, computing quotas, and more.
6. Empowers governance: Holders can participate in governance through staking and vote on tax rates and fee distribution rules.
2. Outlook Summary
If the project can be successfully applied across different verticals, it will be far more than a speculative token: it could become on-chain property-rights infrastructure that generates sustainable cash flow. As more assets join the protocol, ongoing demand for fees will further strengthen Sendover’s value-capture capability, creating a positive feedback loop between ecosystem growth and token value.