WBTCUSD
Wrapped Bitcoin / United States dollar
crypto Composite

thanks a lot for the detailed answer, really appreciate you taking the time to break this down
I agree with your point, pure WBTC yield is pretty limited across most lending protocols, especially on the demand side. that’s also what pushed me to look into this in the first place
the curve pools you mentioned are definitely interesting, especially the WBTC wrapper where IL is minimal since they track the same underlying. same for the morpho vaults, probably one of the more capital-efficient approaches right now
from what I’ve seen though, most of these opportunities don’t really exist on polygon with meaningful liquidity, which is kind of the gap I’m trying to explore
also, sorry if I wasn’t clear earlier, I’m specifically looking at the polygon side
do you happen to have a link to that WBTC/cbBTC/tBTC pool? I’ve been trying to find it on defillama and Curve but couldn’t locate it on my side.

Three years of just holding is a totally valid strategy, but yeah, there are ways to put it to work. You can bridge to WBTC and deposit into lending protocols like Aave or Compound to earn yield while still being exposed to BTC price. The rates aren't massive (usually 0.5-2%) but it's better than nothing on an asset you're holding anyway. The trade-off is smart contract risk and the trust assumptions around WBTC itself. Some people are comfortable with that, others prefer the simplicity of cold storage. Depends on your risk tolerance really.

Going from ETH/stables to native BTC purely on-chain is tricky since BTC isn't native to most DeFi ecosystems. Usually you either use wrapped versions like WBTC or g through bridges but both add extra complexity and risk. A lot of people just use a centralized platform as a bridge between ecosystem since it's often simpler.
Personally, when I want to consolidate into BTC, I sometimes swap and move through a platform like Nexo and then withdraw to native BTC. It's not fully DeFi and fess can vary but it's usually more straightforward than dealing with multiple bridges.

I checked DeFiLlama yields filtered for single exposure BTC and the honest answer is that pure WBTC yield is terrible across most lending protocols. Aave has $3B in WBTC supply paying roughly 0.004%. The demand side just isn't there because nobody really needs to borrow WBTC at scale.
Two options that actually have size behind them:
1. Curve WBTC/cbBTC/tBTC (\~$200M TVL, 2-3% yield from trading fees + incentives). Technically multi-asset but the IL between BTC variants is near zero since they track the same underlying
2. Morpho curated vaults (WBTC as collateral, borrow stables, farm with stables). Not pure yield on WBTC but it's the most capital-efficient route. Risk here is liquidation if BTC drops fast and your LTV gets squeezed.
The structural problem is BTC has no native yield like ETH staking. LRTs wBTC was far better (a year ago)

Honest question: what's the actual mechanism generating the 1.5%? If it's a leveraged lending loop (supply WBTC, borrow stablecoin, supply stablecoin, repeat), that's a well-known strategy but the risk profile changes significantly depending on how aggressively you're looping and how you handle liquidation risk during volatility.
Things I'd want to see before trusting something like this:
- Verified contracts on-chain so I can read what it's actually doing
- A clear explanation of the yield source (not just "lending/borrowing")
- How it handles sudden rate changes or utilisation spikes
- What happens during a sharp BTC drawdown. Does it deleverage automatically?
- Ideally ERC-4626 compliant so I can verify share price appreciation independently
1.5% on pure WBTC with no IL is solid if it's real. But "automated lending/borrowing strategy" covers a huge range from conservative to extremely levered. The devil is entirely in the details.

How are people generating yield on WBTC ?

WBTC is widely used in DeFi, but it’s important to remember it’s not the same as native Bitcoin because it’s custodial.

The main risk with WBTC is custodial. Your BTC sits with a custodian (BitGo, though the custody arrangement changed in 2024 when Justin Sun got involved, which raised eyebrows). It's not trustless. You're trusting that the BTC backing actually exists 1:1.
Things to check with any wrapped asset:
- Who holds the underlying? Is it one entity or multisig?
- Is there a proof of reserves you can verify on-chain?
- What happens if the custodian gets hacked or goes insolvent?
Alternatives worth looking at: cbBTC (Coinbase-backed, similar custodial trade-off but arguably more transparent), or tBTC which uses a decentralised network of signers instead of a single custodian. Neither is perfect. The trade-off is always convenience vs trust assumptions.
If you're holding long-term and don't need BTC on Ethereum for DeFi, honestly just hold actual BTC. Wrapping adds a layer of risk that only makes sense if you're actively using it in protocols.

This guy is right. I've been using WBTC for 5 years now and it works pretty nice, especially as Collateral. However I always have a different bad feeling about it. Not only because it relies on Dinosaur Blockchain Tech, but also because of the WBTC Custodian. Worth to mention that Justin Sun bought a big stake last year.

If you just want to hold it long term you should probably hold BTC on its own network. Otherwise you're needlessly adding smart contract and custodial risk. However, if you want to diversify into BTC while still retaining it as collateral in DeFi then it's probably the safest alternative. The biggest alternatives I'm aware of would be LBTC (lombard BTC), cbBTC (coinbase BTC) and tBTC (threshold BTC). Of these the last one is the most "on-chain" and afaik the only one that allows switching between chains without a centralized actor, but I wouldn't say it's lower risk. You could of course diversify between several wrapped BTCs to reduce your risk somewhat.
To judge risk let's look at the failure of WBTC. This would be the case if the BTC reserves don't match the floating WBTC in a significant way and it loses its peg. That would lead to a bank run and likely a collapse in WBTC value. To profit from that scenario you could borrow WBTC now, exchange it for "real" BTC and just wait. If it ever collapses you can cheaply repay your debt. If it doesn't you can continue waiting or repay it plus some interest. How much interest would that cost you? Currently on AAVE you can borrow WBTC at 0.33%. Basically nothing. To me that shows that crypto investors judge the above scenario as very unlikely to happen. Make of that what you will.

BTC relies on the security of the bitcoin blockchain. ETH relies on the security of the Ethereum blockchain. WBTC relies on the security of both, plus the security of the WBTC contract and the custodian of the backing BTC. None of those are inherently causes for concern, but it's still notably more vectors for failure than holding a native coin.

How safe is WBTC?

Yeah, my friends and I have talked about this a bunch. You can’t move BTC directly onto Ethereum like it’s native, but there are wrapped versions like WBTC that let you use BTC on Ethereum. You usually have to go through a bridge or a service that mints it on-chain, but it’s not super complicated once you follow a guide.
Just make sure you double-check the contract or platform you use, some of the bridges have fees or limits, and you don’t want to accidentally send your BTC somewhere it can’t come back.