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1  Alternate cryptocurrencies / Service Announcements (Altcoins) / Re: CryptoGraffiti - Block Chain Message Encoder & Decoder on: January 03, 2020, 07:32:45 PM
Quote from: hiddensphinx on July 03, 2019, 09:06:03 AM
is there a another service that allows you to write a message on the bitcoin blockchain?
https://proofofexistence.com/
https://notary.bitcoin.com/
https://cryptobulls.info/store-text-message-ethereum-blockchain-censorship-resistant
2  Alternate cryptocurrencies / Service Announcements (Altcoins) / Re: CryptoGraffiti - Block Chain Message Encoder & Decoder on: January 03, 2020, 06:50:01 PM
i have found a site to check attackability of blockchains: https://www.crypto51.app/ .
i have found it from comments of an article about ethereum's miners https://media.consensys.net/are-miners-centralized-a-look-into-mining-pools-b594425411dc .
3  Alternate cryptocurrencies / Service Announcements (Altcoins) / Re: CryptoGraffiti - Block Chain Message Encoder & Decoder on: January 03, 2020, 06:19:04 PM
i have found out that bitcoin forked and cryptograffiti uses "bitcoin cash" which seem less popular than "bitcoin". how many miners bitcoin cash has? how much reliable is this? are messages saved there are now going to be provable to be indeed not changed by 51% attack?
4  Alternate cryptocurrencies / Service Announcements (Altcoins) / Re: CryptoGraffiti - Block Chain Message Encoder & Decoder on: September 04, 2018, 12:56:41 PM
why bitcoin developers do not add possibility to add comments to every transaction? why it was not made from beginning? usually, there is such thing in electronic money sites, also in bank sites.
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