# Blockchain

Why do we pay transaction fees?

Reply 2 weeks antes Blockchain Cryptofees Txnfees

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What does the company Ethereum do?

Reply 2 weeks antes Blockchain Cryptocurrency Ethereum

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What is the second layer of the blockchain?

Reply 1 month antes Blockchain Blockchainlayer Layer2

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What is the average transaction size in Blockchain?

Reply 2 months antes Averagesize Blockchain Transactions

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What is a transaction in a contract?

Reply 2 months antes Blockchain Contracttx Smarttx

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How does a self-transfer work?

Reply 2 months antes Blockchain Selftransfer Transfermechanism

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