Protocol Intelligence

Ethereum: The Web3 Foundation and Zug's Protocol Anchor

Donovan Vanderbilt · 24 February 2026 · 10 min read

Ethereum: The World’s Programmable Blockchain and Web3 Base Layer

In the history of computing, certain platforms emerge not merely as products but as foundations — infrastructures upon which an entire generation of software is built. For Web3, Ethereum is that foundation. Conceived by Vitalik Buterin in 2013 and launched in July 2015, Ethereum extended Bitcoin’s blockchain concept with a general-purpose, Turing-complete programmable environment: the Ethereum Virtual Machine (EVM). Where Bitcoin’s blockchain records one type of transaction — the transfer of BTC between addresses — Ethereum’s blockchain can execute arbitrary code, enabling any application whose logic can be expressed in software to run in a trustless, globally replicated environment.

That insight — that a blockchain could be a programmable computer, not merely a ledger — is the technological basis of Web3.

What Is Ethereum?

Ethereum is a decentralised, open-source blockchain network with smart contract functionality. At its technical core, Ethereum consists of a global network of nodes that collectively maintain a shared state machine: the Ethereum World State. Every account balance, every deployed smart contract, every piece of data stored in contract storage — all of it is part of this shared state, replicated across tens of thousands of nodes worldwide.

The Ethereum Virtual Machine (EVM) is the runtime environment that executes smart contracts — programs deployed to the blockchain whose code runs deterministically on every node. Because the EVM executes identically on every node, and because every valid execution is recorded permanently on the blockchain, Ethereum contracts are “trustless”: their execution does not require trust in any counterparty. The code is the contract, and the blockchain is the enforcement mechanism.

This trustlessness is the primitive from which Web3 is built. When DeFi protocols offer lending without a bank, NFT markets transfer ownership without a gallery or auction house, and DAOs govern protocol parameters without a board of directors, they are all expressing the same foundational logic: code running on Ethereum enforces agreements without requiring trust in any human intermediary.

The Ethereum Foundation: Zug’s Protocol Anchor

The Ethereum Foundation (Stiftung Ethereum) is domiciled in Zug, Switzerland. Established in July 2014 — a full year before the network launched — the Foundation was incorporated as a Swiss Stiftung (foundation): a non-profit legal vehicle with no members or shareholders, governed by a foundation council, and bound by a mission defined in its statutes.

The choice of Zug was deliberate. Switzerland’s foundation law provided the precise legal architecture Ethereum’s founders needed: a legal entity capable of holding substantial assets (the proceeds of the 2014 pre-sale of ETH raised approximately USD 18 million), operating internationally, and maintaining a non-profit governance structure without subjecting itself to the regulatory complexity of US securities law or the more restrictive foundation regimes of other European jurisdictions.

The Ethereum Foundation’s mandate is to promote and support Ethereum’s ecosystem and developers. It funds core protocol research (including the Ethereum Research team’s work on the Ethereum roadmap), client development teams (including Geth and Prysm), developer education, and grants to ecosystem projects. The Foundation’s treasury is primarily denominated in ETH, making its financial health intrinsically linked to Ethereum’s network health — a governance structure with important incentive alignment implications.

The Foundation is one of many Zug-domiciled entities that collectively constitute the governance infrastructure of Ethereum. Other protocol foundations (covering layer-2 networks, infrastructure projects, and application protocols) have followed the same playbook: Swiss Stiftung, Zug canton, FINMA engagement.

Ethereum’s Key Web3 Primitives: The ERC Standards

Ethereum’s programmability is expressed through smart contract standards — agreed-upon interfaces that enable contracts to interoperate. Three ERC standards are fundamental to Web3 as it currently exists:

ERC-20: Fungible Tokens

The ERC-20 standard (Ethereum Request for Comments 20), proposed by Fabian Vogelsteller and Vitalik Buterin in 2015 and formalised in 2017, defines a common interface for fungible tokens. A fungible token is one where each unit is interchangeable with every other unit — like currency. ERC-20 enabled the ICO boom of 2017-2018 (most ICO tokens were ERC-20 tokens), the DeFi ecosystem (USDC, DAI, UNI, AAVE, and thousands of protocol tokens are ERC-20), and the tokenisation of virtually every fungible digital asset on Ethereum.

The ERC-20 standard’s six required functions — totalSupply, balanceOf, transfer, transferFrom, approve, and allowance — constitute the minimum interface that DeFi protocols, wallets, and exchanges rely upon when interacting with tokens. This standardisation is what makes composability possible: a DEX can trade any ERC-20 token against any other without requiring a bespoke integration.

ERC-721: Non-Fungible Tokens

The ERC-721 standard, proposed by William Entriken, Dieter Shirley, Jacob Evans, and Nastassia Sachs in 2018, defines the interface for non-fungible tokens — tokens where each unit is unique and not interchangeable. ERC-721 is the technical basis of the NFT market. Every NFT sold on OpenSea, Foundation, or other Ethereum-based marketplaces is (or wraps) an ERC-721 token.

The standard’s key innovation is the tokenId — a unique identifier within a contract that maps to a specific asset, whether that asset is a piece of digital art, a virtual land parcel, a membership credential, or an in-game item.

ERC-4337: Account Abstraction

ERC-4337, which reached final status in March 2023 after years of development led by Ethereum co-founder Vitalik Buterin and the ERC-4337 team, is the most significant recent addition to Ethereum’s account model. Ethereum has historically distinguished between externally owned accounts (EOAs) — controlled by private keys — and contract accounts — controlled by code. This distinction created UX limitations: EOAs require users to hold ETH for gas, cannot be controlled by social recovery mechanisms without a guardian contract, and cannot execute complex operations atomically.

ERC-4337 introduces “smart accounts” (or account abstraction wallets) that implement arbitrary validation logic, enabling features including: social recovery (recovering an account without a private key), gas sponsorship (a third party pays transaction fees), batched transactions (multiple operations in a single transaction), and session keys (limited-permission keys for specific applications). These features are essential for mass Web3 adoption — they make Ethereum wallets usable by people who cannot manage raw private key security.

Ethereum’s Scaling Roadmap

The central tension in Ethereum’s development has been the scaling trilemma: can a blockchain be simultaneously decentralised, secure, and scalable? Ethereum’s original architecture prioritised decentralisation and security, resulting in throughput limitations (~15 TPS on mainnet) that became severely apparent during the 2021 bull market when gas fees regularly exceeded USD 100 per transaction.

Ethereum’s scaling roadmap, articulated most comprehensively in Vitalik Buterin’s “Endgame” post (2021) and the “Ethereum Roadmap” visualisation, pursues scaling primarily through rollups — Layer 2 networks that execute transactions off Ethereum mainnet but inherit mainnet’s security by posting transaction data or proofs back to Ethereum.

The Rollup Ecosystem

The leading Ethereum rollup networks as of early 2026:

Arbitrum One: Optimistic rollup with the highest TVL of any L2. Governed by the Arbitrum Foundation (ARB token). Operates the Arbitrum Orbit framework enabling third-party L3 chains.
Optimism (OP Mainnet): Optimistic rollup governed by the Optimism Foundation (OP token, dual-house governance model). The technical foundation for Coinbase’s Base and multiple other OP Stack chains forming the “Superchain.”
Base: Coinbase’s L2, built on the OP Stack. The fastest-growing rollup by new user acquisition, leveraging Coinbase’s distribution. Not natively governed by a separate token.
zkSync Era: ZK rollup from Matter Labs. Uses a custom ZK proof system, EVM compatibility via zkEVM.
Starknet: ZK rollup from StarkWare, using STARK proofs and the Cairo virtual machine. Higher throughput potential than EVM-compatible ZK rollups at the cost of EVM incompatibility.
Polygon zkEVM: ZK rollup with EVM equivalence from Polygon Labs.
Linea: ZK rollup from ConsenSys, using a custom prover.

Each rollup represents a distinct bet on proof technology, governance model, and developer experience. The competition between optimistic rollups (which use a fraud-proof challenge period, typically 7 days for withdrawals) and ZK rollups (which use validity proofs, enabling instant finality) is the defining architectural debate in Ethereum scaling.

Proto-Danksharding: EIP-4844

In March 2024, Ethereum’s Dencun upgrade activated EIP-4844 (Proto-Danksharding), the most significant improvement to Ethereum’s data availability layer since the Merge. EIP-4844 introduced “blobs” — a new transaction type carrying large data payloads attached to Ethereum blocks but not stored permanently in the EVM state, subject instead to a shorter retention period (~18 days). Blobs have their own fee market, separated from the standard EVM gas market.

The effect was dramatic and immediate: rollup transaction fees fell by 80-99% within days of activation, as rollups switched from posting calldata (expensive, permanent EVM storage) to blobs (cheap, ephemeral data availability). Arbitrum transaction fees fell below $0.01. Base transaction fees dropped to fractions of a cent for simple transfers.

EIP-4844 is called “Proto-Danksharding” because it implements the blob structure and fee market that full Danksharding will use, while stopping short of the data availability sampling (DAS) and full sharding that constitute the complete roadmap.

Full Danksharding

Full Danksharding — the complete Ethereum scaling vision named after researcher Dankrad Feist — will expand blob capacity substantially (from EIP-4844’s 3-6 blobs per block to potentially 64+ blobs) and introduce data availability sampling: a technique allowing light clients to probabilistically verify that blob data is available without downloading it entirely. Full Danksharding is a multi-year research and engineering project, with PeerDAS (Peer Data Availability Sampling) as an intermediate step planned for a future upgrade.

ETH as “Ultrasound Money”: Deflationary Mechanics Post-Merge

Ethereum transitioned from Proof of Work to Proof of Stake in September 2022 — the event known as “the Merge” — eliminating the ETH issuance that previously compensated miners. Combined with EIP-1559 (August 2021), which burns a portion of every transaction fee rather than paying it to validators, Ethereum’s ETH supply dynamics changed fundamentally.

Under EIP-1559, every transaction pays a “base fee” set algorithmically by the protocol (targeting 50% block fullness) that is permanently burned, reducing ETH supply. Validators receive only the “priority fee” (tip) set by users who want faster inclusion.

The “ultrasound money” argument holds that when Ethereum network activity is high enough that base fee burns exceed new ETH issuance to validators, ETH supply decreases over time — making ETH deflationary. Post-Merge ETH issuance to validators is approximately 0.9% annually. During periods of high network activity, base fee burns have exceeded this issuance, resulting in net supply reduction. The EIP-4844 fee reduction reduced burn rates on L1 (activity moved to L2), creating a more complex dynamic where L1 burns less but the broader Ethereum ecosystem processes more value.

Developer Ecosystem: The Largest in Blockchain

By every measured metric, Ethereum has the largest developer ecosystem in blockchain. Electric Capital’s Developer Report (2024) counted over 4,000 monthly active Ethereum developers — more than the next 20 blockchain ecosystems combined by some measures. This developer concentration reflects network effects that are difficult to displace: the most developers work on Ethereum because the most users and capital are on Ethereum; the most users and capital are on Ethereum because the most developers have built there.

The Ethereum developer stack has matured significantly. Foundry (from Paradigm) and Hardhat (from Nomic Foundation) are the dominant development frameworks. OpenZeppelin provides the industry-standard smart contract library, audited and battle-tested. Chainlink is the dominant oracle network, connecting Ethereum contracts to off-chain data. The Graph indexes Ethereum data for efficient querying by decentralised applications. Alchemy, Infura (ConsenSys), and QuickNode provide the RPC infrastructure that connects wallets and applications to Ethereum nodes.

DeFi: Ethereum’s Primary Application Domain

Decentralised finance is Ethereum’s largest application category by economic value. As of early 2026, Ethereum consistently commands the largest share of global DeFi total value locked (TVL), typically representing 55-65% of all DeFi TVL across all chains. Key protocols include:

Lido Finance: The largest liquid staking protocol by TVL. Users deposit ETH and receive stETH (liquid staked ETH), enabling participation in DeFi while earning staking yields. See Lido.
Aave: The largest decentralised lending protocol. Users supply assets and borrow against collateral at algorithmically determined interest rates. See Aave.
Uniswap: The largest decentralised exchange by volume. Uniswap v3’s concentrated liquidity model is the dominant AMM design, widely forked across chains.
MakerDAO / Sky: The issuer of DAI, the largest decentralised stablecoin by market cap. See MakerDAO.
EigenLayer: Restaking protocol enabling ETH validators to extend Ethereum’s cryptoeconomic security to other networks (Actively Validated Services, or AVSs).

For analysis of the Swiss DLT regulatory framework governing tokenised assets built on Ethereum, see zugdlt.com.

Institutional Adoption: BlackRock, ETF Approvals, and Tokenisation

Ethereum’s institutional adoption trajectory accelerated sharply in 2024 with two developments of structural significance:

BlackRock BUIDL Fund

In March 2024, BlackRock — the world’s largest asset manager with over USD 10 trillion in assets under management — launched the BlackRock USD Institutional Digital Liquidity Fund (BUIDL) on Ethereum. BUIDL is a tokenised money market fund: investors hold ERC-20 tokens representing shares in a fund that invests in US Treasury bills and other short-term instruments. BUIDL was not the first tokenised Treasury fund — but its launch by BlackRock, using Ethereum, was a categorical signal of institutional validation.

By early 2025, BUIDL had accumulated over USD 500 million in assets under management, establishing it as the largest tokenised Treasury fund. BlackRock’s choice of Ethereum — over alternative blockchains including permissioned enterprise chains — reflected both network effects and the institutional comfort with Ethereum’s security and liquidity.

Spot ETH ETFs: US Approval, May-June 2024

In May 2024, the US Securities and Exchange Commission approved spot Ethereum ETF applications from BlackRock, Fidelity, VanEck, and others — following SEC Chair Gary Gensler’s approval of spot Bitcoin ETFs in January 2024. The spot ETH ETFs began trading in late June 2024.

The ETF approvals represented the most significant regulatory legitimisation of Ethereum to date in the United States. They enabled US retail and institutional investors to gain ETH exposure through traditional brokerage accounts, without self-custody requirements. Initial flows were smaller than the Bitcoin ETF launch but represented a structural expansion of the ETH investor base.

Ethereum’s Position in Crypto Valley

The Ethereum Foundation’s Zug domicile makes Ethereum not merely relevant to Crypto Valley but constitutive of it. When Swiss regulators, legislators, and legal practitioners engage with blockchain technology, Ethereum is the reference network. FINMA’s guidance on ICO tokens (2018), DLT securities (2021), and DeFi (ongoing) has been shaped in part by engagement with Ethereum-based protocols and the Foundation itself.

The Swiss legal infrastructure built around Ethereum — foundation law, DLT securities, blockchain-based asset servicing — has spread across the Web3 ecosystem, enabling other protocols to benefit from the regulatory and legal framework that Ethereum’s Zug presence helped create. For Swiss company formation and holding structures for Ethereum-native projects, see zugbusiness.com.

For any serious observer of Crypto Valley, Ethereum is not one protocol among many. It is the reason the ecosystem exists in the form it does.

Author: Donovan Vanderbilt | The Vanderbilt Portfolio AG, Zurich Published: 24 February 2026

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About the Author

Donovan Vanderbilt

Founder of The Vanderbilt Portfolio AG, Zurich. Institutional analyst covering decentralised protocols, Web3 infrastructure, DAOs, NFT ecosystems, and the technology layer underpinning Crypto Valley's innovation pipeline.

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