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2 votes

What happens if I `sendrawtransaction` but tx is invalid?

sendrawtransaction submits your transaction to your own node's mempool for validation and relay. If it is not accepted, an error will be returned which will be returned to the user by the RPC.
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1 vote

How Wallet Mobile Softwares deal with Wallet Balance and Transaction history?

I was able to find an answer which for me was Electrum Server and similar (for example ElectrumX). I wasn't aware at first of the existence of softwares able to analyze blockchain and provide many ...

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