Bitcoin is bitcoin, I'm not sure there will be anything else like it in the future. But if you look at it from a technological perspective, of course there are lots of crypto projects that have technology similar to Bitcoin itself. The first is Litecoin, which has experienced an increase of almost 6000% from its All-Time Low ^[1]. Then secondly we have Kaspa there, using PoW consensus which allows full decentralization.

[1] https://coinmarketcap.com/currencies/litecoin/

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From the title I read, we should have this thread on a more appropriate board like: Altcoin Discussion