I want to find a good Altcoin to invest in before the bull starts, also have a non-custodial exchange. This means, that we have complete control over our funds. If there is, please help convey it, because a lots of new altcoins was born every day.
I am late to say this because you have missed that chance but if you managed to purchased SOLANA that day you posted this? wondering how much profit have you've got last December when solana spikes so high than 100%.
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But since we are here now , Maybe it is better to try your luck again and purchase Solana for a chance of earning in the next bullrun as it is cheaper now comparing to last months price.
There'll will be no issue if you don't share your key anywhere or connect any unknown websites for aridrop. And if you are looking for good altcoin then they are so many option. You should look at altcoins which are from top30. Then there are some L1 & L2 altcoins like Sui, Arbitrum, optimism. I believe these are three gem with having own Blockchain, are growth 📈 is very faster as excepted. So you can check these out.
Arbitrum is one good project , but this is what OP needs to do here.