John Abraham (j2abro)

John Abraham

Blockchain, security & @0xpolygon by day; Kids, family cycling MTB/road by night.

11 Followers

Recent casts

Exploring Sparse Merkle Trees and state sync in Polygon AggLayer https://medium.com/@j2abro/polygon-agglayer-state-sync-1e49f210d732

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Wow, @dune.eth has 55 followers! Great project, I feel so early.

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We're hiring on the security team at @0xpolygon! If you have ZK & Rust security assessment experience, this is an opportunity to join the Polygon Labs core team working on Ethereum L2 scaling. https://jobs.lever.co/Polygon/db309246-245b-42b1-be5b-1e7abc70aff6

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Top casts

Getting a feel for Farcaster and community with a recent post. https://medium.com/p/e982fec671a7

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Here's a visualization of the layers of security risk that need to be considered when securing bridges.

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Yeah so the bridge attack surface is significant and requires teams to consider security across a spectrum of risk areas - more the post below. Unfortunately L2 scalability==bridges for now. On the upside: cross chain composability & aggregation means less bridging in the future. https://medium.com/p/e982fec671a7

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recast:farcaster://casts/0x77fed0d2f6b2d956d8b570a634e586cb3d208077ddb3f68f03f2272a93ff09fc

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Onchain profile

Ethereum addresses