GMCI Layer 2 Index
Coins in the GMCI Layer 2 Index category. 5 coins listed. Updated weekly.
GMCI Layer 2 Index is a category of cryptocurrencies sharing common characteristics or use cases. Explore the listed coins and compare what they do and how they are categorized.
These groupings help you discover related projects; they are not endorsements. Category tags come from CoinGecko and may overlap. Sharing a category does not mean tokens have identical functions or confer the same rights.
MNT grew from BitDAO’s 2023 one-brand vote into the gas and governance asset of Mantle Network. The 1:1 conversion, treasury burn, ZK-rollup upgrades and mETH products are related chapters, but they confer different rights and depend on different administrators.
ARB is the delegated governance token for Arbitrum One and Nova, but it neither pays their gas nor runs their sequencers. Its history is a map of divided authority among the DAO, Foundation, validators, upgrade executors and a 9-of-12 Security Council.
Stacks is a separate smart-contract chain anchored to Bitcoin through Proof of Transfer. STX pays gas, miner rewards and Stacking participation; it is neither BTC nor a redemption claim on the signer-controlled BTC behind sBTC.
Optimism grew from OP Mainnet into the OP Stack and Superchain: shared code, upgrades, governance and chain revenue. OP votes and now sits beside a treasury buyback program, but it does not pay gas or grant a fixed share of fees; fault proofs remain bounded by a single sequencer and fast upgrade keys.
Starknet is a general-purpose Ethereum validity rollup whose Cairo execution is proven with STARKs and settled through Ethereum contracts. It is separate from StarkEx, StarkWare’s application-specific scaling service. STRK now pays all Starknet transaction fees, supports delegation and phase-2 validator attestation, and carries protocol voting power; it is not equity or a claim on StarkWare or the Foundation. The network has distributed sequencing components and a live S-two prover, but block production, proving and upgrade control have not yet reached the permissionless end state described in its roadmap.