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Why through? The lightning network can do a billion for less than a mb of data albeit it will take 6-7 years to reach 1 billion

I thought that the point of blockchain was to push new blocks to other nodes. How long would it take to send a 1 tb block.

I guess I don't understand enough about blockchain then.

no the point of the blockchain is to record in a decentralized matter if you want to know how the lightning network works: https://99bitcoins.com/what-is-the-bitcoin-lightning-network-a-beginners-explanation/

1 tb would take how much the block time is if it 1 minute block time then in 1-10 minutes 1 tb of data could be processed dependent on hashpower.

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