There is already a more popular thread for that question in the "Bitcoin Discussion" subforum:
https://bitcointalksearch.org/topic/noob-q-can-bitcoin-be-turned-into-pos-1843355
Perhaps you can ask your question there and close this thread.
tl;dr: PoS is very, very improbable because it would change the whole consensus model. A hybrid model like you propose may have better chances, but I don't see it short- or medium-term.
Topic: Bitcoin with Proof-of-Stake (Read 710 times)
Hi guys i am not really clear with this scaling problem but concerns me a little, and was wondering why adding POS to bitcoin isn't taken in consideration? I mean everybody would benefit from adding 1 pos block in between 2 pow blocks. Magically we could keep 1mb blocksize pow miners would have the same rewards but at the same time more frequent blocks would lower the confirmation times and also technically we would have double space for transactions than we have now.
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