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Im trying to store data directly on the blockchain, not on a smartcountract as they have a limit of what they can handle and it would slow down the chain to go above the limit.

My initial plan is to use mapping but I can't find confirmation if mapping uses available space on the chain or in the smartcontract.

If mapping does store on the smartcontract what functionality can I use to store data directly on the blockchain?

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    "directly on the blockchain, not on a smartcountract"??? Be sure you know what you're saying. The only information "not on a smartcontract" is ether balance! – goodvibration Jun 28 at 19:40
  • Well, nonce too... – goodvibration Jun 28 at 19:45
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    Well you can send data in a transaction even if it doesn't go to a contract.. – Lauri Peltonen Jun 28 at 19:54
  • @LauriPeltonen: Hmmm, interesting... But the transaction will likely revert, unless that data represents an encoded function call, AND that function is viable at the address indicated in the to field of the transaction... right? – goodvibration Jun 28 at 20:07
  • Im working on a private chain not the main network so I should be able to store whatever data I want on the blocks I thought – WesternWarrior Jun 29 at 1:38

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