Every major category of decentralised finance is dominated by a few protocols, with one lending market, one liquid staking provider, and a small set of exchanges setting the terms for everyone else. 

Concentration of this kind is ordinary across finance, so the fact of it says relatively little on its own, given that a handful of banks hold most deposits and a few firms manage most assets without that being treated as a crisis.

The reason onchain concentration carries more weight lies in how the pieces connect to one another. This article explains why a dominant DeFi protocol bears more of the system than a dominant bank or asset manager does, and why trouble at one of these venues spreads further and meets fewer barriers than the equivalent trouble would in traditional markets.

The Difference Shows Up Under Stress

Calling a protocol risky simply because it is large explains very little, because scale is the natural end state of a market that has matured, and the same concentration appears throughout traditional finance without constant alarm. 

The question worth asking is what happens when a venue that large comes under stress and how far the stress travels from it. In this regard, three features of onchain markets shape that answer, and each of them has no clean equivalent in traditional finance: composability, integration, and chain structure.

Composability Turns a Leader Into Infrastructure

Onchain protocols are composable, which means the output of one becomes an input to the next. 

A liquid staking provider issues a token that represents staked capital, and that token rarely stays with the provider, because it goes on to serve as collateral in lending markets, as a base asset in liquidity pools, and as a building block in strategies that combine both. As a result, a dominance figure understates a leader's true weight. 

When a staking provider holds close to half of its category, that figure counts only the capital staked directly with it, leaving out the lending positions collateralised by its token, the liquidity pools paired against it, and the strategies that assume it will hold its value.

A protocol of this size is therefore large within its own category and load-bearing in the categories beside it, so its real footprint extends well past any single number. It functions as infrastructure, because everything built on top of it assumes that it works, and that assumption is efficient while it holds and becomes the route by which one failure reaches the rest of the system when it does not.

What Composability Gives in Return

Composability is the source of onchain capital's efficiency, and that efficiency is real. 

A single deposit can secure a network, back a loan, and provide trading liquidity in sequence, because the tokens that represent each use pass cleanly from one protocol to the next, which is more than capital can do in markets where it performs a single job at a time. 

However, the same property that delivers this efficiency also carries contagion, because the pathways that let a deposit work in three places let stress in one place reach the other two. 

An allocator holding a position built on a dominant venue holds both qualities at once, with the efficiency visible in calm markets and the contagion visible in stressed ones, since the two are faces of a single design.

Integration Deepens the Lead Without Effort

Building on top of a dominant institution in traditional markets requires agreements, access, and permission. Conversely, onchain integration requires none of these, so any protocol can freely integrate a leading venue's token or liquidity, which most do because that is where the depth and users are already concentrated. 

Each new integration deepens the leader's centrality and raises the cost of competing with it, since a challenger has to win over both users and the web of integrations that already treats the incumbent as the default. 

The leader's moat widens through the activity of others, simply because the rest of the market keeps building on it, and that ratchet tightens with every cycle of new protocols that take the leader as their starting point.

Chain Structure Adds a Second Axis of Risk

Traditional markets do not divide by settlement layer, since a dollar clears the same way regardless of which bank holds it. Onchain markets divide exactly along this line, because a protocol runs on a particular chain and its liquidity lives on that chain, unable to serve another without a bridge. 

This introduces a second axis of concentration with no traditional counterpart, in which exposure to a venue is also exposure to a chain. When the leaders of a category sit on different chains, as exchange leaders do, the apparent variety can disguise a set of separate chain dependencies. So, a position that looks spread across several venues actually rests on the continued operation and liquidity of several distinct chains. 

Fragmentation of this kind moves risk from the protocol layer to the chain layer, where it is easier to overlook.

Traditional Markets Keep Buffers That Defi Lacks

Traditional finance contains concentration on purpose. Regulation ring-fences institutions and limits how far one failure can spread, deposit insurance protects the smallest holders and slows panics, central banks stand ready as lenders of last resort, and bankruptcy law separates one firm's collapse from its counterparties' balance sheets. 

These mechanisms exist to keep a single failure from becoming a general one, even though they prevent neither concentration nor failure on their own. 

The centralised corners of crypto showed what happens in their absence, because the 2022 failures of large lenders and exchanges spread through hidden exposures that outsiders could not see until the positions had already collapsed, which left that concentration both unbuffered and invisible.

Transparency Rises While Containment Falls

Onchain markets occupy a specific position between the extremes. Their exposures are transparent, since anyone can see how much sits where, which token backs which loan, and how the pieces connect. 

This is a genuine advantage over both traditional opacity and the hidden books of centralised crypto. 

The containment is what they give up, because the walls that keep one traditional failure from becoming everyone's failure do not exist onchain, and the composability that moves value efficiently in normal conditions moves stress just as efficiently in bad ones.

A dominant node therefore carries more of the system, with far less standing between its failure and the rest.

Onchain concentration is more legible than its traditional equivalent and less contained, so the same openness that lets an allocator measure the risk precisely is what lets that risk travel.

Scale onchain comes paired with reach. A protocol at the center of a composable and permissionless system becomes infrastructure for everything built on top of it, so its condition is effectively the condition of the venues that depend on it.

The openness that lets value move efficiently lets stress move just as freely, which leaves onchain concentration more visible than its traditional counterpart and considerably less contained. That combination is the reason it warrants continuous attention from anyone holding a position that rests, directly or through several steps, on a dominant venue.

About the data. The Sentora Crypto Dominance Dashboard is a research tool that measures how concentrated capital is across decentralised finance. For each of the three major categories, lending, decentralised exchanges, and liquid staking, it identifies the five largest protocols and the share of the category that each one holds, alongside the share of total DeFi capital that the category represents. The figures are built from onchain data and refreshed regularly, so the dashboard shows both where capital sits today and how its distribution is shifting over time. It is maintained by Sentora Research.

Explore the live data: https://sentora.com/research/dashboards/crypto-dominance