Polygon first: fast tx on its own chain.
Every ~25–30 minutes, it posts a state root to Ethereum.
Staking for Polygon validators lives on Ethereum too.
So proofs and bridging rely on Ethereum for long-term consensus.
Celo now runs on OP Stack as an Ethereum-secured execution environment, also known as a Layer 2, but reliant on an external data availability solution instead of Ethereum's.
For data, it uses EigenDA.
EigenDA, while external to Ethereum, is secured by restaked ETH on EigenLayer (slashable on Ethereum).
The pattern is the same: custom, faster consensus up front, then a slower step onto Ethereum so the record is locked in at the highest security level and verified by the largest validator set in the world.
While Polygon dominates Latam and Asia, @Celo continues to gain traction in the African market with products such as @minipay, supported by @cLabs and @opera, and the stablecoin $cUSD.
Regional stablecoins such as $cGHS and $KES on @Celo account for 90% of the total volume in Africa.
thx for data: @_muhraf_
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