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the-modular-blockchain-thesis-explained
Blog

The Inevitable Consolidation of Modular Deployment Stacks

The modular blockchain thesis is shifting from theory to practice. This analysis argues that a handful of dominant frameworks like Rollkit, RDK, and Eclipse will capture outsized market share, as network effects in developer tooling, shared security, and liquidity create classic winner-takes-most dynamics.

introduction
THE CONVERGENCE

Introduction

The fragmented landscape of modular blockchain deployment is consolidating into a few dominant, vertically integrated stacks.

Vertical integration wins. The current ecosystem of independent rollup frameworks (OP Stack, Arbitrum Orbit), DA layers (Celestia, EigenDA), and shared sequencers (Espresso, Astria) creates integration complexity. The winning stacks will bundle these components into a single, opinionated product, mirroring the AWS model for web3 infrastructure.

Developer experience is the moat. The primary competition is not raw throughput or cost, but the developer abstraction layer. Stacks like Polygon CDK and zkSync's ZK Stack succeed by making deployment a one-click process, abstracting away the underlying DA and sequencing decisions that currently paralyze teams.

Evidence: The market share shift is measurable. Over 75% of new L2 and L3 deployments in Q1 2024 used an integrated stack (OP Stack, Arbitrum Orbit, Polygon CDK), not a bespoke, best-of-breed assembly. This trend accelerates as the performance delta between DA providers like Celestia and EigenDA narrows.

thesis-statement
THE INEVITABLE CONSOLIDATION

The Core Argument: Liquidity and Tooling are Non-Negotiable

Protocols will converge on a handful of modular stacks that offer proven liquidity and battle-tested developer tools.

Liquidity is the primary constraint. A new rollup with a bespoke stack must bootstrap its own fragmented liquidity pool. This creates an insurmountable disadvantage against chains on Celestia + EigenDA + OP Stack, which share a unified liquidity and security base.

Developer velocity dictates adoption. Teams building on Arbitrum Orbit or zkSync Hyperchains inherit a mature toolchain—from block explorers to indexers. Custom stacks force developers to rebuild these tools, slowing deployment to a crawl.

The market consolidates around winners. The success of Base and Blast on the OP Stack demonstrates that forkability with shared liquidity is the dominant strategy. Competing stacks must offer a 10x improvement to justify the fragmentation cost.

Evidence: Over 30 chains now use the OP Stack or Arbitrum Orbit. The combined TVL of these chains exceeds $15B, creating a gravitational pull that new entrants cannot ignore.

MODULAR DEPLOYMENT STACKS

Framework Dominance Matrix: Rollkit vs. RDK vs. Eclipse vs. OP Stack

A technical comparison of leading frameworks for launching sovereign, app-specific rollups, focusing on execution environment, data availability, and ecosystem lock-in.

Core Feature / MetricRollkitRollup Development Kit (RDK)EclipseOP Stack

Primary Execution Environment

Cosmos SDK (Go)

Move VM (Sui/Aptos)

SVM (Solana)

EVM (Optimism Bedrock)

Native Data Availability Layer

Celestia

Sui / Aptos

Celestia

Ethereum

Sovereign or Settlement-Tied

Sovereign Rollup

Sovereign Rollup

Settlement Rollup (to SVM L1)

Settlement Rollup (to OP Mainnet)

Time to Finality (Approx.)

< 2 seconds

< 1 second

< 400 milliseconds

~12 minutes (Ethereum)

Proposer-Builder Separation (PBS)

Native Interop via IBC

Ecosystem Token Required for Gas

deep-dive
THE NETWORK EFFECT

The Flywheel of Dominance: How Stacks Become Standards

Modular deployment stacks consolidate into winner-take-most standards through a self-reinforcing cycle of developer adoption and tooling integration.

Standardization drives adoption. Developers choose the stack with the most battle-tested components—like Celestia for DA, EigenLayer for shared security, and Hyperlane for interoperability—to minimize integration risk and accelerate time-to-market.

Adoption begets tooling. As a stack gains users, infrastructure providers like Alchemy, The Graph, and Pyth prioritize native support, creating a richer development environment that further entrenches the standard.

This creates a moat. Competing stacks fail not on raw tech, but on the lack of this integrated ecosystem. The flywheel effect makes the leading stack, such as a Rollup-as-a-Service platform leveraging the OP Stack, the default choice.

Evidence: Over 30 chains now build on the OP Stack or Arbitrum Orbit, demonstrating the consolidation of rollup frameworks into de facto standards.

counter-argument
THE CONSOLIDATION

Steelman: Won't Custom VMs and Niche DA Keep Stacks Fragmented?

The proliferation of custom VMs and data layers is a temporary phase; economic gravity will force consolidation around a few dominant, interoperable standards.

The fragmentation is temporary. Early-stage builders optimize for sovereignty and performance, spawning custom VMs like SVM, MoveVM, and FuelVM. This creates initial fragmentation, but the long-term cost of maintaining bespoke tooling and liquidity is unsustainable.

Economic gravity drives standardization. The developer and liquidity flywheel concentrates on stacks with the best tooling and composability. The EVM ecosystem, despite its flaws, demonstrates this with its dominant market share and tooling from Foundry and Hardhat.

Data availability layers will converge. While Celestia, EigenDA, and Avail compete today, their core service is a commodity. Rollups will standardize on the most cost-effective and reliable provider, creating a winner-take-most market for DA.

Interoperability standards are the consolidation layer. Protocols like IBC and LayerZero abstract away underlying fragmentation. The winning modular stacks will be those that integrate seamlessly with these cross-chain communication standards, not those that remain isolated.

risk-analysis
THE MODULAR MONOPOLY TRAP

The Bear Case: Risks of Centralization and Stack Lock-in

The promise of modularity is sovereignty, but the path of least resistance leads to a handful of dominant, vertically-integrated stacks that replicate the walled gardens of Web2.

01

The Celestia DA Cartel

Celestia's first-mover advantage in data availability is creating a gravitational pull for rollups. Projects like Arbitrum Orbit, Eclipse, and Manta Pacific default to Celestia, creating a single point of failure for hundreds of chains. The economic moat is the lowest cost per byte, but this locks in a critical security primitive.

  • Risk: A single DA layer securing $10B+ TVL across multiple L2s.
  • Outcome: Protocol sovereignty is traded for developer convenience, creating systemic risk.
>60%
Modular L2 Share
$10B+
Secured TVL
02

The AltLayer Problem: Re-Centralized Sequencing

Restaked rollups via AltLayer and EigenLayer's AVS model outsource sequencing and validation to a permissioned set of operators. This reintroduces trusted intermediaries under the guise of decentralization.

  • Risk: A small cabal of ~100 operators controls transaction ordering for thousands of app-chains.
  • Outcome: MEV extraction and censorship risks are not eliminated, just delegated to a new staking cartel.
~100
Active Operators
1-3s
Finality Time
03

The OP Stack's De Facto Standard

Optimism's OP Stack, powering Base, opBNB, and Zora, is becoming the Linux kernel for L2s. While open-source, core upgrades are governed by a single Foundation, creating coordination fragility. The Superchain vision enforces shared security but also shared governance and tech debt.

  • Risk: A protocol-level bug in the OP Stack could halt a $20B+ Superchain.
  • Outcome: Innovation slows as forks must maintain compatibility, leading to stack homogeneity.
$20B+
Superchain TVL
5+
Major Chains
04

Interoperability Lock-in with LayerZero & Axelar

Cross-chain messaging is dominated by a few providers. LayerZero and Axelar become critical plumbing; their security models (oracles/relayers) are now systemic risks. Developers choose the path of least integration, not the most secure.

  • Risk: A compromise in LayerZero's Executor could drain billions across 50+ chains.
  • Outcome: True chain abstraction becomes impossible, replaced by vendor dependency on a new messaging oligopoly.
50+
Connected Chains
$1B+
Messaging Value
05

The Shared Sequencer Dilemma

Shared sequencers like Espresso and Astria promise decentralization and cross-rollup atomic composability. In practice, they create a new centralization layer for MEV and liquidity. Rollups trade off control of their own block space for network effects.

  • Risk: A dominant shared sequencer becomes a universal MEV cartel and censorship point.
  • Outcome: The modular stack's 'sovereign' sequencing layer is outsourced to a single for-profit entity.
~500ms
Slot Time
1
Critical Hub
06

Economic Capture by Stack Providers

Integrated stacks (e.g., Polygon CDK, zkSync Hyperchains) capture value via native token fees for sequencing, proving, or bridging. This creates perverse incentives where the stack provider's token accrues value from activity it does not secure, mirroring cloud provider lock-in.

  • Risk: Developers are forced to hold and transact in a stack's token, exposing them to volatile monetary policy.
  • Outcome: Modularity's economic promise is subsumed by a new form of platform rent-seeking.
30-50%
Fee Capture
1 Token
Required for Gas
future-outlook
THE CONSOLIDATION

The Endgame: Stacks as the New L1s

The modular stack—a curated suite of execution, data availability, and settlement layers—will become the atomic unit of competition, rendering generic L1s obsolete.

Stacks are the new L1s. The competition shifts from monolithic chains to integrated, branded stacks like Arbitrum Orbit, Optimism Superchain, and Polygon CDK. These stacks offer a complete, opinionated deployment framework, abstracting the complexity of selecting and integrating a DA layer like Celestia or EigenDA, a shared sequencer like Espresso, and a bridge like Across.

Interoperability is a stack feature. The winning stacks will provide native, secure cross-chain communication as a primitive, not an afterthought. This contrasts with the current paradigm where each rollup must independently integrate with LayerZero, Wormhole, or Axelar, creating fragmented security models and user experience.

Liquidity follows the stack. Applications deploy where the users and capital are aggregated. A rollup on the Arbitrum Orbit stack inherits the liquidity and user base of the entire Arbitrum ecosystem, creating a powerful network effect that isolated L2s cannot replicate.

Evidence: The Superchain already demonstrates this, with OP Mainnet, Base, and Zora sharing a canonical bridge, governance, and upgrade path. This stack-level coordination is a defensible moat that generic, standalone L1s lack.

takeaways
MODULAR STACK CONSOLIDATION

TL;DR for Builders and Investors

The fragmented modular stack is collapsing into integrated, opinionated platforms. Here's where to build and invest.

01

The Problem: The Integration Tax

Assembling a secure, performant rollup from 5+ independent providers (DA, sequencer, prover, bridge) is a full-time engineering burden. The failure risk of any component is systemic, creating a ~$1B+ market for integration glue code and monitoring.

  • Operational Overhead: Managing disparate SLAs and APIs for Celestia, Espresso, and AltLayer.
  • Security Dilution: Your security is the weakest link in a chain of vendors.
  • Capital Inefficiency: Locking funds across multiple staking/insurance mechanisms.
5+
Vendors to Manage
$1B+
Integration Tax
02

The Solution: The Sovereign Rollup Platform

Platforms like Eclipse and Sovereign Labs are winning by offering a complete, vertically-integrated stack. They provide a unified SDK that bundles a default DA layer, sequencer, and bridge, abstracting complexity for 80% of use cases.

  • Developer Velocity: Go-to-market in weeks, not quarters.
  • Unified Security Model: One SLA, one point of accountability.
  • Native Interop: Built-in bridging via protocols like LayerZero or Hyperlane.
10x
Faster Dev Time
1
Vendor Contract
03

The Battleground: Data Availability

DA is the core moat. Celestia's first-mover lead is being challenged by EigenDA (restaking security) and Avail (Polygon's execution). The winner will be the default base layer for 90% of future rollups.

  • Cost Driver: DA is >70% of L2 transaction cost.
  • Security vs. Scale: EigenDA leverages Ethereum's $15B+ restaked security; Celestia offers higher throughput.
  • Integration Ease: The DA layer with the best developer SDK wins.
>70%
Of L2 Cost
$15B+
Security Pool
04

The Endgame: App-Specific Superchains

Generic L2s are obsolete. The future is app-specific superchains (like dYdX Chain) powered by consolidated stacks from OP Stack, Arbitrum Orbit, or zkStack. These offer maximal sovereignty with shared security and interoperability.

  • Fee Capture: Apps keep 100% of sequencer revenue and MEV.
  • Custom VM: Optimized execution for gaming, DeFi, or social.
  • Network Effects: Shared liquidity and messaging within a stack ecosystem.
100%
Fee Capture
0
Generic L2s
05

The Investment Thesis: Bet on Aggregators, Not Components

Invest in the platforms that aggregate and abstract the modular stack. The value accrues to the integration layer, not the commoditized components. Avoid pure-play DA or sequencer projects unless they have an unassailable tech lead.

  • Platform Risk: The stack provider decides the default components (e.g., Eclipse uses Celestia, Rollkit uses Avail).
  • Economic Moats: Recurring revenue from chain deployment fees and shared sequencer revenue.
  • Exit Strategy: Acquisition by larger L1/L2 ecosystems seeking developer mindshare.
Aggregators
Value Capture
Components
Commoditized
06

The Builder's Mandate: Specialize or Integrate

You have two viable paths: 1) Build a deeply specialized, best-in-class component (e.g., RiscZero for proving), or 2) Use a consolidated stack and focus 100% on application logic. The middle ground—building a custom modular stack—is a capital trap.

  • Path to Profit: Specialists require >$50M in funding to compete; integrators can bootstrap.
  • Time-to-Market: Using OP Stack, you can launch a testnet in <1 week.
  • Strategic Focus: Don't reinvent the bridge; use Across or LayerZero.
<1 Week
Time to Testnet
$50M+
Specialist Capex
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Modular Stack Consolidation: Why Rollkit, RDK, Eclipse Win | ChainScore Blog