Exchanges, lending platforms, mining pools, all third party custody….. Not your keys, not your coins.
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They have large exposure to ETH mining, 11% of the hashrate afaik. And that is going poof overnight in a few days I imagine that doesn't help. As a side note mining pools seem to come and go in bitcoin although the market seems more established lately. But who remembers btc guild and gigahash.io
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LOL.
Combining Bitcoin mining with DeFi yield farming may seem like a crazy idea at first.
Poolin Combines Bitcoin Mining With DeFi Yield Farming https://cryptomode.com/poolin-combines-bitcoin-mining-with-defi-yield-farming/
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100 sats \ 1 reply \ @ibz 6 Sep 2022
Why would somebody even join a mining pool without setting up auto-withdrawals? Lack of education? You would expect that somebody that put enough money to buy a bunch of ASICs also put some time to understand what they are mining. This is very strange.
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Possibly they want to do manually withdraws to pick a time when the mempool was not busy. To save sats on fees.
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i think this probably hinges on the fact that they are an FPPS pool
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they overestimated payouts
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my condolences to all those with their money stuck in a pool server
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The link to Poolin's blog post:

And here's an article on CoinDesk:

And here's a Tweet that kicks off a good thread on this:
Running an FPPS pool is not an easy task.
Poolin has managed to build an impressive business given how many challenges they have faced over the years. Its been an interesting journey 👇👇
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Correction on above ... this is actually the post on their blog:
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Here's a Tweet that kicks off good Twitter thread indicating this could finish Poolin.
How to destroy your share of the #Bitcoin ecosystem in one step.
  1. Halt withdrawals
Which is what, Poolin, one of the world’s oldest and largest pools has now done, citing liquidity concerns.
What does this mean? A 🧵
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