Polygon has invested in basically every potential scaling solution for scaling Ethereum:
Polygon PoS (commit chain) Polygon Miden (zkSTARK) Polygon Zero (recursive SNARK) Polygon Hermez (zkSNARK) Polygon Avail (Validium) Polygon Nightfall (Optimistic) Right now people are building towards a zk rollup with EVM compatibility. SNARKs are more likely to win this race short term, but long term STARKs should come out on top. Whichever way this plays…
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