SophiaTX Buyback instructions, February 2019.

ETH buyback address : 0xBFEd0249222897bEEaA344b07B98f322f6FcD907

The following guide will provide SophiaTX Buyback instructions for anyone using a MyEtherWallet (MEW) or Meta Mask account.

Before conducing the buyback procedure, make sure your Ethereum address is in the SophiaTX's Github buyback_mappings file, which can be accessed following this link.

Once you've confirmed that your address is in the file, you can proceed to the buyback procedure. In case you did not find your Ethereum address and SophiaTX account in this file, don't worry; we have created a third process via which You can also participate in the buyback.

Buyback via MyEtherWallet

1. Choose “Send Ether & Token” category from the top ribbon. Using MEW, holders can choose among multiple methods to access their wallet and send their tokens for buyback.
2. After successfully accessing their wallet on MEW, paste the buyback address in the “To Address”, which can be found here
3. In the “Amount to send” field, holders can send either their entire ERC-20 token balance or a desired amount. Don’t forget to choose “SPHTX” from the dropdown menu to the left of the field.
4. When entering the "Gas Limit," We advise using approximately ‘55000'
5. We advise you to check the gas price (Gwei) and set it up accordingly based on the current network conditions. To obtain the recommended gas prices visit https://ethgasstation.info/
6. When all the information is filled in, click on “Generate Transaction.” A pop-up window will appear asking You to confirm your transaction. To proceed, click “Yes, I am sure! Make Transaction.”

After completing the buyback transfer process, users can make sure they have successfully applied for the process by accessing the buyback_transfers file on the SophiaTX Github page. Your SophiaTX account and the token amount applied for the buyback will show up in the file 24 hours later.

Buyback via Meta Mask

1. To apply tokens for buyback using the Meta Mask account, first choose your SPHTX tokens from the menu and click "Send"
2. Then, in the "Recipient Address" field paste the buyback account address which can be found here Again, when choosing the amount of tokens to send, users can click on "Max" to send all the tokens available on the account, or simply type in a desired amount to send.
3. Click “Next,” and confirm your transaction.

After confirming the transaction, you can access the buyback_transfers file on SophiaTX's Github page, where the mount of tokens and your SophiaTX account will appear 24 hours later.

The buyback procedure for both Meta Mask and MEW users will be completed on March 1st. However, since all buyback tokens will be vested, users will be able to access their tokens 27 days after they received them.

Alternative method for users who did not find their SophiaTX account or Ethereum address listed in the buyback_mappings file on Github.

IMPORTANT! In order to proceed with this method, users need to have a valid SophiaTX Wallet account.

1. On MyEtherWallet, choose "Send Ether & Tokens." After this, choose a desired method of accessing your Wallet account. 
2. In the "To Address" field, paste the following buyback address
3. In the "Amount to Send" field, keep 0.
4. Below the "Gas Limit" field, click on "Advanced: Add Data." This will display a new "Data" field. 
5. Before proceeding, you will need to convert your SophiaTX Wallet account to Hex format. In order to do this, follow this link
6. In the String to Hex converter, put in your SophiaTX Wallet account in the top field, and click "Convert." After this, copy the encoded string from the bottom field and paste it in the "Data" field on the MyEtherWallet page.
7. We advise you to check the gas price (Gwei) and set it up accordingly based on the current network conditions. To obtain the recommended gas prices visit https://ethgasstation.info/
8. Complete the transaction.

24 hours after this transaction is successfully completed, your Ethereum address and SophiaTX account will appear in the buyback_mappings file on the SophiaTX Github page. When you have confirmed that your address is in the file, you can send your ERC-20 tokens from Ethereum address using SophiaTX Buyback instructions. 

Enjoy your new SPHTX Tokens!