Sky

What Is Sky?

Sky is the rebranded identity of MakerDAO, one of the oldest and most influential decentralized finance (DeFi) protocols built on Ethereum. The SKY token is the successor to the long-standing governance token MKR, and it powers a lending and stablecoin ecosystem centered on USDS (formerly DAI), a crypto-collateralized stablecoin pegged to the US dollar. Sky’s core mission is to give users a way to borrow a stable, dollar-denominated currency against crypto collateral without relying on a centralized custodian, while allowing token holders to govern the protocol’s risk parameters, collateral types, and treasury.

The problem Sky set out to solve is the same one that motivated the original Maker Protocol: cryptocurrencies like Bitcoin and Ether are too volatile to be used reliably as everyday money or as predictable collateral for loans. By locking volatile assets into smart-contract vaults and issuing an overcollateralized stablecoin against them, the protocol offers a decentralized alternative to centralized stablecoins such as Tether or USD Coin, whose reserves and issuance depend on a single corporate issuer. According to CoinGecko data referenced by our database, SKY currently trades around $0.0679, with a market capitalization of approximately $1,590,064,422, placing it at roughly rank #52 among all cryptocurrencies, and a 24-hour trading volume near $3,942,099.

History and Founders

Rune Christensen is the lead executive Officer and Co-founder of MakerDAO, which issues Dai, the world’s first stablecoin on the Ethereum blockchain, designed to remove volatility through smart contracts that respond to market dynamics. Since 2015, Christensen has focused on building the vision and organizational structure of the Maker DAO and the financial foundations of the Dai stablecoin; he previously co-founded a company offering international recruiting in China and studied Biochemistry at the University of Copenhagen along with international business at Copenhagen Business School.

The Maker Protocol launched Dai in December 2017 as a single-collateral system backed only by Ether, later evolving into a multi-collateral design that accepted a broad range of crypto and, eventually, tokenized real-world assets such as short-term US Treasury bonds. MakerDAO became one of the first decentralized self-reliant organizations (DAOs) on Ethereum, and at its peak ranked among the largest DeFi projects by total value locked, with Dai ranking among the largest dollar-pegged stablecoins by market capitalization.

In 2022, Christensen introduced the “Endgame” roadmap, a multi-year restructuring plan intended to improve the protocol’s resilience, decentralization, and scalability by splitting Maker’s operations into semi-independent “SubDAOs” (later renamed “Sky Stars”) and by simplifying governance and branding. That plan culminated in 2024 with the formal rebrand of MakerDAO to Sky and the introduction of the SKY token, alongside the USDS stablecoin, positioned as the direct successors to MKR and DAI respectively. Existing MKR and DAI holders were offered the ability to upgrade their tokens to SKY and USDS through the protocol, while the legacy DAI and MKR tokens continue to exist and remain interchangeable with the new assets.

How the Technology Works

At its core, Sky operates through collateralized debt positions, historically called Vaults. A user deposits approved collateral — such as ETH, liquid-staking tokens like Staked Ether, wrapped Bitcoin, or tokenized real-world assets — into a smart contract and can then generate USDS against that collateral up to a set loan-to-value ratio. If the value of the collateral falls too far, automated liquidation auctions sell the collateral to cover the outstanding debt and a penalty fee, protecting the system’s solvency. Decentralized price oracles feed real-time asset prices into the protocol so that these risk checks can be enforced without relying on a single trusted party.

Borrowers pay a variable “stability fee” (effectively an interest rate) on their generated USDS, and savers can lock USDS into the Sky Savings Rate module to earn yield generated by fees from borrowers and by the protocol’s holdings of tokenized real-world assets. A Peg Stability Module also allows users to swap centralized stablecoins like USDC directly for USDS at a near 1:1 rate, helping to keep USDS trading close to its dollar peg during periods of market stress. Governance of the entire system — including which collateral types are accepted, fee levels, and treasury allocation — is conducted on-chain by SKY token holders through delegated voting.

A distinguishing feature of the post-Endgame architecture is the “Sky Stars” framework, semi-autonomous sub-protocols (the most prominent being Spark, a lending market) that can issue their own tokens and pursue specialized strategies while still plugging into the core Sky liquidity and governance layer. This modular approach is meant to let the ecosystem experiment and scale faster than a single monolithic DAO could.

Tokenomics and Supply

SKY replaced MKR at a fixed conversion rate as part of the 2024 upgrade, with each legacy MKR token convertible into a much larger number of SKY tokens, reflecting a stock-split-like redenomination rather than a change in aggregate value. Unlike a fixed-supply asset such as Bitcoin, SKY does not have a hard-capped maximum supply; instead, supply dynamics are managed through governance-controlled mechanisms. The protocol runs a “Smart Burn Engine” that uses a portion of surplus revenue generated from stability fees and real-world-asset yield to buy back and burn SKY tokens, creating deflationary pressure that scales with protocol usage, while new SKY can also be minted if the system needs to recapitalize after a shortfall, similar to the mechanism MakerDAO used historically with MKR during periods of bad debt. Token holders can stake SKY to receive USDS rewards through the Sky Token Rewards program, incentivizing long-term participation in governance and reducing circulating liquid supply.

With a market capitalization of roughly $1.59 billion and a price near $0.068, SKY sits in the upper-middle tier of the market by capitalization, reflecting the scale of USDS/DAI issuance and the collateral base backing it, even though day-to-day trading volume (around $3.9 million) is comparatively modest relative to its market cap, a pattern common to governance tokens whose value is closely tied to protocol-level revenue rather than pure speculation.

Notable Milestones and Controversies

Sky’s predecessor experienced several defining moments. The March 2023 collapse of Silicon Valley Bank triggered a brief depeg of USDC, one of DAI’s largest collateral assets at the time via the Peg Stability Module; because so much of Dai’s backing was tied to USDC, Dai itself briefly traded below its dollar peg, reigniting a long-running community debate about the protocol’s growing reliance on centralized, US-dollar-denominated collateral rather than purely crypto-native assets. This tension between decentralization and capital efficiency has been one of the most persistent controversies surrounding the project, especially as the DAO increasingly allocated billions of dollars of its balance sheet into tokenized US Treasury bills and other real-world assets to generate yield for the Sky Savings Rate.

The Endgame restructuring and subsequent Sky rebrand were themselves controversial within the community. Some long-time MakerDAO and DAI users criticized the decision to retire well-recognized brand names built up over nearly a decade in favor of new tokens and terminology, arguing it risked confusing users and diluting brand equity, while supporters argued the overhaul was necessary to modernize governance, improve token incentive alignment, and prepare the protocol for a new phase of growth. Governance concentration has also drawn scrutiny, as a relatively small number of large token holders and delegates — including entities closely associated with Christensen — have historically wielded outsized voting power over protocol decisions, a common critique leveled at many DAO-governed DeFi projects.

Ecosystem

The Sky ecosystem centers on the official platform at sky.money, where users can open vaults, mint USDS, stake SKY for rewards, and participate in governance votes. The flagship Sky Star, Spark Protocol, offers lending and borrowing markets that tap into Sky’s liquidity, while additional Stars are expected to expand into new verticals such as tokenized credit and cross-chain deployments. USDS and SKY have been bridged to multiple networks beyond Ethereum, including layer-2 rollups, to reduce transaction costs and broaden accessibility, and USDS is integrated across major DeFi venues for trading, lending, and liquidity provision alongside established assets like XRP, Solana, and TRON-based tokens on various exchanges.

Sky’s real-world-asset strategy has also connected it to traditional finance intermediaries that manage portfolios of short-term government debt on the DAO’s behalf, a model other DeFi protocols have since sought to emulate. As one of the largest and longest-running decentralized stablecoin issuers, Sky’s evolution is closely watched as a bellwether for how mature DeFi protocols balance decentralization, yield generation, and regulatory exposure as the industry continues to mature within the broader cryptocurrency market.