In my previous article, I talked about using a blockchain-based cloud (storj), but ethereum was only used for paying node operators. So in this article, I will give you ways for directly storing data on the blockchain.

1 - OP_returns

OP_returns are a way for putting messages on bitcoin-based blockchains. For doing that, we need for a compatible wallet.

op_return example : http://explorer.bitcoin.com/bch/transaction/408362ec10137261b97c2c3b0ba63466e41475935c849bda48f3b38d7649297c

We also can send files using bitcoinfiles !

2 - Ethereum hex tx data

With myetherwallet, you can add arbitrary data to your ethereum transaction, but you'll have to convert them to hexadecimal format using tools like browserling or hexed.it. 

3 - Tron transaction note

It's a bit the same principle as the previous, but we doesn't have to encode/decode data. Only add a tx note on tronlink.

Example : https://tronscan.io/#/transaction/ba0937fbf5200efe1d4899abd8d9bbfeb87c4b8433fab5aa69f4cc5f2bacaa71

4 - Using Hive/Steem

Steem (now Hive since a little problem with Justin Sun) plateform stores all its articles on a blockchain. I also can mention everipedia, that stores its wikis on a blockchain.

That's all !

It's the end of this article and I hope that you liked it.

If you want to try one of these methods, feel free of putting blockchain explorer link in the comments (it would be nice !)

If you liked it, plz give a tip and a like

And if you see anything to improve, feel free of saying it in the comments