Quote from: Xynerise on April 03, 2018, 03:00:19 PM

Quote from: ptdima on April 03, 2018, 12:58:51 PM

Maybe you have some online-service for make hex-code and bitcoin address?

Here you go.
To convert a string to hex, use this website.
Make sure the string you're converting to hex is 20 characters (spaces count as characters), so they can be 40 characters (20 bytes) when you convert to hex, which is equivalent to the Hash160 of the public key.
For example if we use

Code:

test post pls ignore

as our text we want to insert in the blockchain, we'll use the website above and we get

Code:

7465737420706f737420706c732069676e6f7265

as the hexadecimal.

Next we need to convert the Hash160 above to a bitcoin address. For that we'll use this website
When we paste the code above to the Hash160 field, we get the following bitcoin address:

Code:

1BcSvC4eTCXHFDXWrqi9TrZBg4WxDSok78

To get our message into The blockchain, we simply send some bitcoins to the address generated.
Send a minute amount of bitcoins because you can't recover them at all.

So to test this, I sent 600 sats to the address, you can see the Transaction here
If you want to see your message, you have to select "show scripts and Coinbase"
Then look at the output script for the transaction, you'll see

Code:

DUP HASH160 PUSHDATA(20)[7465737420706f737420706c732069676e6f7265] EQUALVERIFY CHECKSIG

Something looks familiar, it's our message in hex:

Code:

7465737420706f737420706c732069676e6f7265

To convert it to string to read what it says, use this website And paste it there.
It gives us back our message

Code:

test post pls ignore

Cool!
Can i write text more than 20 characters?