Solana has gone down 10 times now

0th time (Beta). December 4th 2020. Mainnet Beta cluster stopped producing blocks.

1st time. 14th September 2021. Down for 17 hours 12 minutes due to a DDoS attack on a DEX.

2nd time. 6-8 Jan 2022. Outage for multiple days . Presumably DDoS attack.

3rd time. January 10th 2022. Possibly still same DDoS attack.

4th time. January 22nd 2022. 29 hours of downtime, lots of duplicate transactions causing congestion and outages

5th time. March 28th. RPC nodes forked off when upgrade to v1.9 happened.

6th time. April 30th 2022. 7 hour outage due to millions of NFTs being minted.

7th time. May 27th 2022: Block times delayed up to 30 minutes.

8th time. June 1st 2022: "A runtime bug triggered by the durable nonce transactions feature allowed, under a specific set of circumstances, for a failed durable nonce transaction to be processed twice." Lasted about 5 hours.

9th time. October 1st 2022: A misconfigured node resulted in lost data and needs to restart from a previous point, which apparently crashes the entire chain.

10th time, most recent one: "Solana Mainnet is experiencing a large forking event right now, validators are investigating to determine the network health, root cause and next steps. Transactions may fail right now". Lasted for about 20 hours.