Smart Contract Address: 0xf0b3ba2dd4b2ef75d727a4045d7fbcc415b77bf0 

A-Token Price:  0.002925944 Ether

A-Token Reserve: 14.199394630944474617 Ether

A-Token Total Supply: 19,411.710450417896105932
 (Data for 12/11/2018 08:00 GMT)


A-Token Effective Price for ONE Ether buying (activating the BuyTokens function):
A-Token Bought: 333.0977812 Effective Price: 0.003002121
A-Token Effective Price for Selling ONE A-Token (activating the SellTokens function):
Ether received: 0.002633146 Effective Price: 0.002633146
 (Data for 12/11/2018 08:00 GMT)



A-Token Token Features:



A-Token is a Smart Contract. Its functions are activated as every other Smart Contract on the Ethereum Blockchain.
You can use any wallet that supports functions activation on the Ethereum Bloclchain, for example: MyEtherWallet.
  1. Click on the CONTRACTS tab of the site menu.
  2. Insert Contract Address -  
  3. Insert the ABI –  
  4. Choose the BuyTokens function from the functions menu.
  5. Write.
  6. The BuyTokens function has no arguments, but remember to send value which is, at least, twice the price of the A-Token.
  7. Determine the proper Gas and Gas Price.
  8. Choose to submit the transaction.


A-TokenSell Tokens

Almost the same as the BuyTokens function, but, the SellTokans carry an argument for the amount of A-Tokens which you wish to sell.
Do remember that 1 A-Token is: 1000000000000000000. The SellTokens has also a value to send which is 206000 wei or 0.000000000000206000 ether.
  1. Click on the CONTRACTS tab of the site menu.
  2. Insert Contract Address -  
  3. Insert the ABI –  
  4. Choose the SellTokens function from the functions menu.
  5. Insert the A-Tokens amount you wish to sell. Remember: One A-Token is the minimum and it is written as wei.
  6. Write.
  7. Remember to send 0.000000000000206000 Ether value which is the fee for this function.
  8. Determine the proper Gas and Gas Price.
  9. Choose to submit the transaction.


A-TokenERC20 Activity

The A-Token is an ERC20 standard token. Thus it has all the functions of those kind of standard tokens on the Ethereum blockchain.

A-Token has the following functions:

totalSupply() – which returns the total supply of the A-Token.

balanceOf (address _owner) – which returns the A-Tokens balance of the defined address.

transfer (address _to, uint256 _value) – which allow to transfer A-Tokens from your account to the desired account.

transferFrom (address _from, address _to, uint256 _value) – which allow the use of approved A-Tokens.

approve (address _spender, uint256 _value) – which allow another user to use part (or all) of the owner A-Tokens.

allowance (address _owner, address _spender) – which returns the amount allowed for another user to use.

All those functions are useable through the use of a wallet, for example: MyEtherWallet.

  1. Click on the CONTRACTS tab of the site menu.
  2. Insert Contract address –  
  3. Insert the ABI –  
  4. Choose the function you need from the functions menu.
  5. Insert the needed data. Remember that one A-Token is: 1000000000000000000. There is no fee on the ERC20 functions.
  6. Write.
  7. Determine the proper Gas and Gas Price.
  8. Choose to submit the transaction.


A-TokenOther Functions

The A-Token has beyond the BuyTokens, SellTokens and ERC20 functions, two more important functions:
  1. split() – where we split the A-Token thus making it cheaper and allowing more activity. The split function is workable whenever the A-Token price exceeds 1 ether. The calculated factor to increase the amount of tokens should decrease the price towards 0.01 ether.
  2. burn() – where you can delete A-Tokens that you own. This function is used with other Smart Contracts that receive A-Token as fee and need to delete it.


A-TokenWhite Paper

Our goal
To develop and implement the best token on the Ethereum blockchain.

In order to build the best token we have learnt on different tokens that were developed and focused our thoughts on those tokens. Every token has the ability of holding value and thus this value can be used. Tokens usually have an environment which was developed for their use. We encountered successful tokens as well as unsuccessful ones. We mean success – in the short time profitability of investors investing in those tokens. There is no long term study on tokens which are relatively a new phenomenon.

We have chosen the A-Token name because it is the first option for the "A" symbol token. Well…. We also thought on the A-team….
Owning A-Token is better than owning the A-Team  

Different people have different ideas on the definition of best token. Some wish that it will make high returns, some wish that it will be conservative, some wish it will be managed, some wish that it will be useful. We think that the best token has to have the features we have given our A-Token. Most importantly in our minds are the: transparency of the A-Token Smart Contract, the less risk involved in dealing with it, being operate-able from day one and being businesslike.


A-TokenToken Features:

  1. Every A-Token was paid for
  2. A-Token is a Self-Tradeable Token (STT)
  3. A-Token is managed by a Smart Contract
  4. The A-Token Smart Contract uses Point Calculation Formulas
  5. The A-Token Reserve is – Ether
  6. A-Token Usability – as Ether
  7. A-Token Smart Contract is Inherently businesslike
  8. Less business risk
  9. No human management
  10. No ICO
  11. No owner
  12. Own split
  13. Defense against attacks
  14. On the Ethereum blockchain
  15. ERC20 token

  1. Every A-Token was paid for
  2. Through our study of different tokens we learnt that most of them give free tokens to their customers, entrepreneurs, employees, advisors and do bounty campaigns. Those free tokens, by definition, lower the market cap of the token. We wanted to start our A-Token, the best token on the Ethereum blockchain, with 1 ether for the 10000 first A-Tokens and, of course, there is no free A-Token!

  3. STT – Self-Tradeable Token
  4. Ethereum has thought on the possibility to self-trade tokens via their Smart Contracts technology. We learnt that most token do not use this feature. Thus, tokens need to use exchange services in order for them to be traded. The most prominent token to use self-trading ability is BNT (Bancor). Bancor also have developed a network of other tokens using their formulas. We thought that this feature is highly important. So, A-Token has the ability to self-trade. Each user can buy A-Tokens from the Smart Contract using the BuyTokens function and sell A-Tokens via the SellTokens function.

  5. A-Token is managed by a Smart Contract
  6. A Smart Contract manages the A-Token. One of the most important things of this feature means that all A-Token activity is transparent. All management rules are known and described on this White Paper in detail. You can learn and analyze the Smart Contract by your own. The A-Token Smart Contract is here.

  7. Point Calculation Formulas
  8. The A-Token uses the following formulas:

    For buying:

    ΔS = S * [((R+ ΔR)/R)^1/4-1]

    For selling:

    ΔR = 90% * R * [((S-ΔS)/S)^4-1]

    Price is calculated:

    P = R/ (S * 1/4)

    Effective Price on buying:

    EP = (ΔR + C)/ ΔS

    Effective Price on selling:

    EP = (ΔR – C)/ ΔS


    ΔS – represents the new A-Token issued for ΔR payment or the amount of tokens you wish to sell.

    ΔR – represents the Reserve you are paying or the amount of Ether you'll get whenever you sell tokens.

    R- Represents the current Reserve, meaning the amount of Ether owned by the Smart Contract.

    S – Represents the current A-Token total supply.

    A-Token uses a 25% reserve.

    A-Token uses 90% factor intended for gaining more reserve to the Smart Contract and protecting the Smart Contract from different kinds of attacks.

    C – Commission taken on BuyTokens and SellTokens functions. The commission is: 0.000'000'000'000'206'000 Ether.

    The reason for our formulas to be point oriented is because we decided that our business idea is to profit from usage of different Smart Contracts that we or others will develop.

Table Number 1
Reserve - Ether
Buying - Ether
A-Token Added
A-Token Price After
Effective Price


First Buy

The upper table shows the starting data of the A-Token and an example of buying new tokens with 1 Ether. Let us calculate this data:
ΔS= 10000 * [((1+1)/1)^(1/4)-1] = 1892.071150027211
P = 2.000'000'000'000'206'000/(11892.07115 * (1/4)) = 0.000673
EP = (1 + 0.000'000'000'000'206'000)/1892.07115 = 0.000528521

We can see that:

  1. Price increases with every buy.
  2. We need to look on the effective price as well.
  3. On buying A-Token Effective Price is higher than A-Token Price (before buying).

Table Number 2
A-Tokens Reserve - Ether Buying - Ether A-Token Added A-Token Price After Effective Price
66890.74 2002

Table 2 shows another example of the A-Token. The reserve does not show the low amount of commissions added to the reserve, but, those are there in the Smart Contract calculations. The real numbers are subject to the real activity thus what is showed here are examples that probably will not occur.
  1. Price and effective price go up on every buy.
  2. The influence of those buys, when the reserve is higher is getting smaller, but, there is always some influence.

Table Number 3
A-Tokens Reserve - Ether Sell - A-Token Ether Payout A-Token Price After Effective Price
66915.79 2005

We learn from table 3 that:
Selling influences price and effective price.
Again we emphasize that those are examples which probably will not occur in real life.
The use of our formulas is very benefiting the A-Token owner.
We wish to make a comparison to an average system. Let us consider line 2 of table 3:
Average calculation = 100 (selling A-Token) / 66815.79 (total A-Token supply) * 1994.237 (reserve) = 2.98467922028

This means that according to our formulas a user of the A-Token will receive more than 3.5 times from an average system. This demonstrates the power of the formulas we are using, for users of the A-Token system.

Table Number 4
A-Tokens Reserve - Ether Buying (Payout)
A-Token Add (Delete)
A-Token Price After
Effective Price

Table 4 shows buying and immediate sell of the same amount of A-Tokens. This example emphasize the importance of the 90% factor we are using. Let us understand that when we bought A-Token using 1 Ether from 2004 reserve – the price was: 0.119807 (table 2, line 2). After selling the A-Tokens we owned, price went to: 0.119813. This is because there is more reserve in the Smart Contract.

A-Token formulas are very beneficiary to A-Token users.


  1. A-Token Reserve – Ether
  2. Ether is our reserve. This will allow better ability to use the A-Token.

  3. A-Token Usability – Ether
  4. Since A-Token can trade itself against Ether – whenever Ether is needed a A-Token owner can trade it for Ether. In the future we plan to develop a wallet that will use A-Token instead of Ether.

  5. A-Token - Inherently businesslike
  6. The trade-ability feature cause the token to change value. When people buy the token its' value goes up and when people sell the token its' price goes down. This is something that is done inherently in our A-Token. But, we thought that this is not sufficient. So we have two important factors we added: 1. Point calculation formulas and the 90% factor. 2. Commission on using the BuyTokens and SellTokens functions in the Smart Contract.

  7. Less Business Risk
  8. Every token we studied was connected to a business environment. Of course, this connection had major influence on the token value. Every token, thus carried with it business risk. We have decided to build the A-Token on its own environment, meaning that more activity will bring more reserve into the Smart Contract. In the future we will develop, and other people can as well, Smart Contracts that their activity commission is benefiting the A-Token Smart Contract. A-Token as such have no employees, no real estate, no equipment and is activated by the use of the Smart Contract technology that was developed by Ethereum.

    Let us assume that A-Token received 1 Ether commission from a Smart Contract activity. According to Table 2 line 2, we have: 66899.09417 of A-Tokens. The reserve we have is: 2003 Ether. Thus price of A-Token is calculated to be: 0.119762 Ether. Because of receiving 1 Ether the A-Token price is: 2004 (the new reserve)/66899.09417*0.25 = 0.1198222502031226.
    A much higher increase of price than of an A-Token buying.

  9. No Human Management
  10. The A-Token Smart Contract manages the token according to the terms that are discussed and revealed in this White Paper. Our Smart Contract is transparent and you can analyze it yourself. Beyond that those rules cannot be changed. Thus we cannot change the reserve ratio – even if we want to. We cannot change the 90% factor when paying out. Those rules are always the same.

  11. No ICO
  12. In order to invest with a company doing an ICO, an investor needs to fully understand the economics of the company and the environment where it operates. Usually, investors do not own the time and skills needed for such a task.
    We wanted to eliminate the "investing" process, thus, we are talking on "buying" the A-Token. In an ICO the company invest a lot of mobney in order to get a lot of money from investors. Most of the ICXO money that was raised goes to entrepreneurs own pockets and not for their investors benefits. We believe that our solution – where there are no expenses – is a better way for investors.

  13. No owner
  14. The Smart Contract manages the A-Token and thus it is its owner. No body own the token. Not its developers and not its users. It is not owned by other Smart Contracts that benefit from it. It stands alone by its only one Smart Contract.

  15. Own Split
  16. In order to help trading and lower each A-Token price, an own split mechanism has been put in place. When price of the A-Token is over 1 ether a split of the A-token can be triggered. The split factor is calculated to set the A-Token price to be 0.01 Ether. This mean that each account owning the A-Token is multiplied by the split factor as well as the A-Token total supply. We believe that this split will help the A-Token to be more tradeable.

  17. Defense Against Attacks
  18. We implemented several defenses:
    1. Our 90% factor – defends against any buy/sell attack.
    2. Reenterancy attack – only in the SellTokens function a defense against reenterancy attack was done, because it is the only function connecting outside from the Smart Contract.

  19. On the Ethereum Blockchain
  20. We use Ethereum blockchain and its Smart Contract technology to develop and implement the A-Token. We will continue developing othe Smart Contracts that will benefit the A-Token economic environment.

  21. ERC20
  22. Of course, the A-Token stands with the ERC20 token standard.



When we speak about money – a lot of people have different ideas, thoughts, believes and whatever. We do not want to go into this mine field, but, wish to say several things about crypto accounts and about the A-Token.

Inflation – Inflation is an economic situation where the value of a currency is decreasing because more money is moved to the environment. Inflation cannot be done on the A-Token. No one can add A-Tokens unless he buys them through the Smart Contract function. When people sell the A-Token – the A-Token amount is deleted from the A-Token supply.

I read once, in an article, that 30% of US dollar notes are forged. We understand what forging of a currency can do to its' value. You cannot forge the A-Token. You can just work with it according to its Smart Contract functions.

There has never been a currency, throughout all mankind history, that its supply grows or decreases on buying and selling.
There was never in history a currency that has a reserve in the formulas and commissions, as the A-Token uses. Thus we do not have any way of learning on such currencies and evaluating the A-Token. Just days will tell. We are very optimistic on the success of the A-Token.

When people buy or sell the A-Token they influence on the reserve and the amount of the A-Token supply. In our formulas there is always an influence on the price of the A-Token. Furthermore, we thought that adding more reserve without increasing the amount of tokens will be beneficiary to the A-Tokens price. We will, also, decrease the A-Token supply whenever Smart Contract using the A-Token will receive it as commission. Thus the A-Token price will increase.

In table 2, line 2 we see an increase of A-Token price cause a 1 Ether buy was done. This caused the price to move from 0.119762 to 0.119807. If will add 1 Ether to the reserve without adding A-Token supply, the price will be as follow:
P = 2004/(66899.09417*(1/4)) = 0.119822250203126
We do hope that, we and others, will develop other Smart Contracts that will contribute their commissions to the A-Token Smart Contract.


  1. You can lose money if you buy the A-Token! There are two main situations:
    1. You bought the A-Tokens and their price went down. Do remember that the A-Tokens price is in Ether.
    2. You bought A-Tokens and their price went up, but Ether price went down thus eventually you lost some of your fiat value.
  2. The price of the A-Token can fluctuate a lot, mainly in its early stages. When mature, we foresee more stability into the system.
  3. The A-Token is a new token - you need to be more careful than us.
  4. We do not know if other Smart Contracts will contribute to the A-Token reserve. We do not know if those Smart Contracts will be developed at all and the time of their implementation.
  5. The A-Token is done on the Ethereum blockchain and uses its' Smart Contract technology. We need to remember that this technology is relatively new and might suffer problems.

~Arik Schenkler


The A-Token Smart Contract was deployed on the Ethereum blockchain in – 29 June 2018.


A-TokenP2P Token Exchange

Smart Contract Address: 0x287D4D393fe77CAF1faC1717CfDEA6300B302c1B 

The Problem:
Less trust between people wishing to exchange ERC20 tokens between themselves.  Sometimes you do not know the second peer for an exchange. Sometimes you wish to exchange Ether for another token.

The solution:
Our Smart Contract does the transaction for both sides.  This is called an ATOMIC transaction.  Thus the transaction would be fully done or not done at all.  A small fee (206000000 WEI) is payable for the usage of each function of this Smart Contract.  This fee is transferred to the A-Token Smart Contract to increase its' reserve.

How To:

    This Smart Contract has 4 functions:

  1. newExchange (address smart1, uint256 amount1, address two2, address smart2, uint256 amount2) — Where a new transaction is built.
  2. getStruct (uint _Id) — which allows to view all data of an exchange.
  3. cancelExchange (uint exchangeId) — Where both parties can cancel the exchange.  If the deal was constructed with Ether, this Ether will be returned to the proper wallet.  Do remember that Approve Function of ERC20 tokens can be canceled by using the "spender" address and the 0 amount.
  4. doExchange (uint exchangeId) — Where the second peer confirm the exchange.

Deeper look into activating the functions using MyEtherWallet.com:

newExchange (address smart1, uint256 amount1, address two2, address smart2, uint256 amount2):

  1. Click on the Contracts tab of the MyEtherWallet.com site menu.
  2. Insert Contract address -  
  3. Insert the ABI -  
  4. Choose the newExchange function from the functions menu.
  5. The newExchange function has 5 arguments:
    1. Address of the Smart Contract managing the ERC20 that you wish to exchange. Using 0x0000000000000000000000000000000000000000 means that you wish to use Ether.
    2. Amount1 — the token amount or the Ether amount.
    3. Address Two2 — the wallet address of the other peer. Using 0x1111111111111111111111111111111111111111 address means that you do not know the second peer and whomever comes can do the deal.
    4. Address Smart2 — the address of the other Smart Contract manages the tokens to exchange. Use of 0x0000000000000000000000000000000000000000 means Ether.
    5. Amount2 — The token amount to be exchanged or the Ether amount.
  6. Write.
  7. Do remember to transfer the right value for the function. The fee is 206000000 WEI.
  8. Determine the proper Gas and Gas value.
  9. Submit the transaction.
  10. Do remember, that you need to Approve the Smart Contract ability to transfer the tokens. So, you must Approve the Smart Contract otherwise the exchange will not be done.
getStruct function:
This function has no fee on it.  You use this function to learn on the transaction that was built.  This function uses one argument the ExchangeId.  You can also look on the Events section of the contract at the etherscan.io web site, to learn about the transaction.

cancelExchange function:
Both parties can cancel an exchange.  This function carry a 206000000 WEI fee.  A canceled exchange cannot be done and a newExchange must be built.  This function uses one argument the ExchangeId.

doExchange function:
Only the second peer can doExchange the exchange.  This function has 206000000 WEI fee.  If Ether is needed, do add it to the value transferred for the function activation.  This function uses one argument the ExchangeId.


All fees paid to the use of this Smart Contract serves the A-Token as reserve.  Thus using this Smart Contract is beneficiary for A-Token holders.
This is the first Smart Contract we deployed.  We plan to build more Smart Contracts in order to support the A-Token economics.



More Smart Contracts benefitting the A-Token Smart Contract
(more coming shortly….)