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Layer 2 & scaling

A layer 2 executes transactions somewhere cheaper and posts the result back to a base chain. The interesting question is never the throughput number — it is what exactly gets posted back, and how long it takes before it cannot be reversed.

Optimistic rollups assume the posted result is correct and leave a window for anyone to prove otherwise. Zero-knowledge rollups prove correctness up front, at the cost of much heavier computation. The difference shows up as a withdrawal delay measured in days versus minutes.

Sidechains are a third thing entirely: they have their own validators and inherit nothing from the base chain but a bridge. They are usually cheaper still, and the bridge is where the risk concentrates.

16 coins

Coins in Layer 2 & scaling, by market capitalisation
#CoinPrice24h7dMarket cap24h volume
10ZcashZEC$1,147▲ +1.3%▼ −11.3%$19.4B$1.11B
38OKBOKB$113.90▼ −0.9%▼ −9.8%$2.39B$36M
42WorldcoinWLD$0.5095▲ +2.2%▼ −5.8%$1.95B$270.5M
48MantleMNT$0.5331▲ +1.1%▼ −5.4%$1.76B$23.3M
54ArbitrumARB$0.1977▲ +8.0%▲ +2.2%$1.36B$180M
65Polygon (prev. MATIC)POL$0.0919▼ −0.4%▼ −13.9%$977M$86.5M
66RenderRENDER$1.80▼ −1.6%▼ −15.4%$933.7M$32.1M
76StacksSTX$0.3785▲ +2.6%▼ −2.3%$686.8M$29.9M
95StarknetSTRK$0.0584▼ −6.0%▼ −44.3%$443.1M$101.3M
109ImmutableIMX$0.1515▼ −2.2%▼ −19.3%$303M$8.84M
112OptimismOP$0.1259▼ −1.2%▼ −9.6%$289.5M$69.9M
151ZKsyncZK$0.0148▼ −0.0%▼ −5.4%$162.9M$15.3M
335OasisROSE$0.00729513▼ −2.1%▼ −16.9%$59.3M$3.18M
398MovementMOVE$0.0108▲ +17.9%▲ +14.4%$48.4M$83.1M
—LoopringLRC—————
—MetisMETIS—————

Market data as of 40 min. ago

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