No DeFi coin is a safe pick. If you want the established names, the tokens most often cited are AAVE (lending), LINK (oracles), LDO (liquid staking), SKY (the former MakerDAO) and COMP (lending). Each runs a protocol holding at least $1 billion in deposits, according to DefiLlama on 25 October 2026. The biggest change this year is that the sector has shrunk. DefiLlama's chain-level DeFi total was $88.8 billion on 25 October 2026, down from $96.6 billion on 17 April 2026. In April, the Kelp DAO rsETH bridge exploit showed that a large protocol can take losses from an asset it lists even when its own code holds.
What the market looks like now
| Token | Protocol | Category | TVL (DefiLlama, 25 Oct 2026) |
|---|---|---|---|
| AAVE | Aave | Lending | $17.66B |
| LDO | Lido | Liquid staking | $22.54B |
| SKY | Sky (formerly MakerDAO) | Stablecoin / lending | $5.68B |
| COMP | Compound | Lending | $1.47B |
| LINK | Chainlink | Oracle network | Not measured as TVL; $36.4T "transaction value enabled" (Chainlink, updated 6 Oct 2026) |
TVL is the value of the deposits a protocol holds. It is not revenue or profit, and it does not tell you what the token is worth. Data providers count it differently, and some publish DeFi totals well above DefiLlama's figure, so only compare numbers from the same source.
The April 2026 rsETH exploit and what it changed
The most recent event that matters for every token on this list is the Kelp DAO rsETH bridge exploit.
- What happened: On 18 April 2026 at 17:35 UTC, an attacker used a forged cross-chain message on Kelp's bridge route from a Layer 2 network to Ethereum. That route depended on a single verifier (a "1-of-1 DVN" configuration). The attacker released 116,500 rsETH without burning matching tokens on the source chain, according to Aave's incident report of 20 April 2026.
- How Aave was hit: The attacker deposited 89,567 rsETH on Aave as collateral and borrowed about 82,650 WETH and 821 wstETH. Aave's report states: "Aave's smart contracts were not compromised at any point during this event."
- Size of the loss: The report modelled bad debt at about $123.7 million if losses are spread evenly across rsETH holders, or about $230.1 million if they are confined to Layer 2 rsETH. It added that Kelp had not yet confirmed how it would allocate the loss. In a later update on 21 April, Aave reported that the Arbitrum Security Council had frozen 30,766 ETH held by one of the attacker's addresses, which lowered the estimates.
- Market reaction: Aave's TVL fell from $26.4 billion on 18 April to nearly $20 billion on 19 April, CoinDesk reported, citing DefiLlama. By 25 October it stood at $17.66 billion.
What this means for you
A lending token's risk includes every collateral asset the protocol accepts, along with each asset's bridge and verifier setup. Auditing the lending protocol alone is not enough.
Five DeFi tokens side by side
Compare what each protocol does, how much it held on 25 October 2026 and the specific risk the article flags for it.
| Token | Protocol and category | TVL (DefiLlama, 25 Oct 2026) | What the token or protocol offers | What to watch | Source |
|---|---|---|---|---|---|
| AAVE | Aave: lending | $17.66B | Governance; Umbrella stakes can be burned to cover bad debt | Collateral and its bridges: rsETH bad debt modelled at $123.7M to $230.1M | |
| LINK | Chainlink: oracle network | Not measured as TVL | Staking capped at 45,000,000 LINK; only node operators can be slashed | $36.4T "transaction value enabled" measures usage, not deposits | |
| LDO | Lido: liquid staking | $22.54B | stETH seven-day APR about 2.3%; LDO buybacks from the treasury | First-in, first-out withdrawal queue; bunker mode slows withdrawals | |
| SKY | Sky (formerly MakerDAO): stablecoin / lending | $5.68B | Governance token; MKR converts to SKY at 1:24,000 | A stake in a stablecoin system, not a lending market | |
| COMP | Compound: lending | $1.47B | Compound III lends one base asset per market | The S&P "B-" rating of 9 May 2022 covers Compound Treasury, not the protocol |
This table repeats the article's dated figures only: it does not show token prices, fee routes to holders or later changes, and TVL says nothing about what a token is worth.
The five tokens
Aave (AAVE): the largest lending protocol, now rebuilding trust
Aave lets users supply crypto to earn interest and borrow against over-collateralised positions.
- Aave V4: V4 went live on Ethereum mainnet on 30 March 2026 after a governance vote, according to Aave Labs' April 2026 development update. It uses a "Hub-and-Spoke" design, with Core, Prime and Plus hubs. It launched with tight caps, and deposits passed $20 million by 13 April. Most of Aave's TVL still sits in V3.
- Bad-debt cover: Umbrella replaced the old Safety Module. Users stake aTokens such as aUSDC and aWETH, or GHO, and those stakes can be burned automatically to cover a deficit in that asset (Aave documentation). After the rsETH exploit, Aave's report recommended pausing the WETH Umbrella module as a precaution.
- What the token does: AAVE is used for governance. Staked AAVE (stkAAVE) remains, but Aave's documentation says its slashing is switched off once Umbrella reaches enough scale.
Chainlink (LINK): infrastructure rather than a single app
Chainlink supplies price feeds and cross-chain messaging (CCIP), which lending protocols use to value collateral and trigger liquidations. Its homepage reports $36.4 trillion in "transaction value enabled," updated 6 October 2026. Chainlink defines this as the sum of the USD value of transactions that use a Chainlink oracle, so it measures usage, not deposits.
- Staking (v0.2, launched November 2023): the cap is 45,000,000 LINK, of which 40,875,000 LINK is for community stakers. Only node-operator stakers can be slashed: at launch, 700 LINK each if a valid alert was raised on the ETH/USD feed. Community stakers are not slashed (Chainlink blog).
Lido (LDO): ETH staking without running a validator
Lido stakes ETH and gives depositors stETH, a token that earns staking rewards and can still be used across DeFi.
- Current yield: Lido's API showed a seven-day average stETH APR of about 2.3% on 25 October 2026. Yields change daily.
- Buybacks: In March 2026 a proposal sought up to 10,000 stETH (about $20 million) from the treasury to buy LDO. Lido's May 2026 tokenholder update said Batch #1 of the "LDO Accumulation" programme had put 471 stETH into LDO at an average of $0.3745. A separate automated buyback was approved by Snapshot vote, with onchain deployment planned for July 2026.
- Cross-chain staking: Since 29 October 2024, users on Arbitrum, Base and Optimism can stake ETH from those networks and receive wstETH, using Chainlink CCIP (Lido blog).
- What to watch: You redeem stETH through a first-in, first-out withdrawal queue. Waits depend on queue size and Ethereum's exit queue. In emergencies, "bunker mode" slows withdrawals (Lido documentation).
Sky (SKY): the former MakerDAO
MakerDAO rebranded as Sky in August 2024. DAI can be upgraded to USDS at 1:1, and MKR converts to SKY at 1:24,000 (The Block, 27 August 2024). Sky's developer documentation lists SKY as the governance token, with voting live for SKY holders in Chief V3. Its TVL was $5.68 billion on 25 October 2026. Holding SKY gives you a stake in a decentralised stablecoin system rather than in a lending market or a trading venue.
Compound (COMP): an early lending protocol, now smaller
Compound III ("Comet") lets users post collateral to borrow a single base asset per market. Its first deployment was USDC on Ethereum (Compound documentation). Its TVL was $1.47 billion on 25 October 2026, well below Aave's. The often-quoted S&P "B-" rating dates from 9 May 2022 and applies to Compound Treasury, an institutional product, not to the lending protocol. S&P cited Compound's "low capital base."
How to compare DeFi tokens yourself
- Separate deposits from value capture. Check whether protocol fees reach token holders through buybacks, staking or nothing at all. A high TVL with no route for fees to reach holders tells you little about the token.
- Read the collateral list. For lending tokens, look at which assets are accepted and how each is bridged. The rsETH loss came from a single-verifier bridge.
- Check the backstop. Find out who pays when bad debt appears: a staking module such as Aave's Umbrella, the treasury, or lenders through a haircut.
- Follow governance. Buybacks, fee changes and pauses are all decided by votes. Read the forum, not just the price chart.
- Use one data source. Compare TVL from a single provider on a single date.
Risks
- Smart contract and integration risk: an audited protocol can still lose money through an asset it accepts, as April 2026 showed.
- Liquidity risk: withdrawals can stall when lending markets are fully used, or when the stETH withdrawal queue is long.
- Governance risk: token holders and service providers can change fees, caps and buyback programmes.
- Price risk: governance tokens are volatile, and holding one does not entitle you to the protocol's deposits.
