The tool can be found at:
https://www.antpool.com/coinbase.htmAntPool invites you to make your own mark on history by embedding a custom message inside the blockchain forever!
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Own a piece of blockchain real estate with AntPool's coinbase auction feature! Need to insert a timestamp into the blockchain? Want to commemorate a special occasion? You can embed a short message in any blocks that AntPool finds using this
https://www.bitmaintech.com/auction.htm.
Bidding is for blocks three days in advance. If you want your message to appear on the 10th of the month, you should place your bid on the 7th of the month. Bids are numbered from high to low, placing a higher bid than the other bidders means your message will be prioritized.
Messages are restricted to 30 bytes of data. Anything related to gambling, pornography, drugs, etc. will not be allowed, and final approval of messages is up to AntPool's own discretion.
Auction main rules
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1 The minimum bit is 0.0001 and there are no limits on rise
2 The message submitted is not allowed to change
3 The text included in the coinbase script must not exceed 30 bytes.
4 The coinbase script supports the alphabet, arabic numerals, and Chinese characters (UTF-8, each character is 3 bytes).
5 You can put a URL in your text, but URLs may not contain inappropriate language, or point to anything related to gambling, illegal drugs, pornography, or obvious scams.
6 The higher your bid more priorities you get in the list. Top high bidders get their places on blocks found by auction on declared day
7 There are no exact number of blocks found everyday, but you can guess by ckecking previous days auction data
8 If you want to increase your bid, you have to open a new bid with higher price, your highest bid could win the auction (it is not possible to have 2 wins from one user id).
9 If you declare a high bid or increase your bid, but not paid for a certain times, system will automaticly reject you in future bids as not trustful user
10 The payment message and payments are done before block found, but after you were chosen as a winner
11 The record on block appears after block found
12 The ANTPOOL reserve the right to reject bids if it is not matching rules
https://i.imgur.com/suqVEuC.jpg?1
