A few questions about the Lightning Network.

Hey, I have been researching about the Lightning Network over the last few weeks and still have a few open questions. Can anyone verify these claims?

1. Lightning nodes must keep track of the full history of channel states themselves. If they lose this, they are vulnerable to attacks and may lose coins.
2. Attackers may randomly lock up funds anywhere along the chain of channels for extended periods of time(many hours) at no cost to themselves.
3. Refilling every channel will be at least one onchain transaction, possibly two. If this happens twice a month, 1mb blocks + segwit will only be able to serve 4 million users. Some estimates are that Bitcoin already has 2-3 million users.
4. The Lightning Network will centralize towards banks having the most power in the network again. [https://www.youtube.com/watch?v=UYHFrf5ci_g&t=308s](https://www.youtube.com/watch?v=UYHFrf5ci_g&t=308s)

Thank you.

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Bitcoin Network Status Update Monday, August 06, 2018

###Status of the Bitcoin network as of Monday, August 06, 2018 at 12:00:02 EST:

**Total bitcoins:** 17,193,721.045002

**Height:** 535,504

**Difficulty:** 5,949,437,371,609.530273

######Statistics for the past 24 hours:

**Number of blocks mined:** 138

**Total bitcoins output (amount sent):** 1,206,314.903327

**Total fees:** 16.189321

**Average time until block found:** 10 minutes, 26 seconds

**Estimated hashrate:** 40,813,242,738.252144 gh/s

**Current price:** US$6,970.00

*Data provided by [Smartbit.com.au](https://www.smartbit.com.au). Price data provided by [Coinbase.com](https://www.coinbase.com).*


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