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![Douna_empiree Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1762129082655911936.png) Douna£mpire | PW3 [@Douna_empiree](/creator/twitter/Douna_empiree) on x XXX followers
Created: 2025-07-16 10:57:45 UTC

In traditional finance, you need a good credit score, paperwork, and time to get a loan.

But in DeFi?
You can borrow millions of dollars in seconds — with no collateral — as long as you pay it back within the same transaction.

That’s a flash loan.

It might sound wild, but it’s real. And it’s one of the most unique tools in DeFi.

Here’s how it works:

A flash loan lets someone borrow a large amount of crypto temporarily — but the catch is, the loan must be borrowed and repaid in the same block (the same instant, on-chain). If anything goes wrong or the repayment doesn’t happen, the whole transaction fails — like it never existed.

Why would anyone do this?

✅ The Good: Flash loans are useful for things like:

Arbitrage (profiting from price differences across platforms)

Swapping collateral positions

Liquidating under-collateralized loans

Complex DeFi operations that would normally require lots of steps and fees

In the hands of experienced users, they’re powerful tools.

But…

⚠️ The Bad: Flash loans are also popular among attackers.
Because they provide quick, massive buying power, some people use them to manipulate low-liquidity markets or exploit poorly written smart contracts.

Most DeFi hacks you’ve seen in headlines?
They often start with a flash loan.

❗ The Risky: Flash loans themselves aren’t evil — they’re neutral tech.
The danger comes from the way people use them, and from protocols that don’t properly defend against sudden, high-volume actions.

For developers: building with flash loan safety in mind is essential.
For users: just know they exist, and that when a protocol gets “drained,” a flash loan might’ve been the weapon — not the weakness.

In short:
Flash loans show the speed and power of DeFi.
But just like electricity — they can light a city, or burn it down.

![](https://pbs.twimg.com/media/Gv-VQ1tXcAA7Gc7.jpg)

XXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1945437693149896929/c:line.svg)

**Related Topics**
[credit scores](/topic/credit-scores)
[default risk](/topic/default-risk)
[finance](/topic/finance)

[Post Link](https://x.com/Douna_empiree/status/1945437693149896929)

[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

Douna_empiree Avatar Douna£mpire | PW3 @Douna_empiree on x XXX followers Created: 2025-07-16 10:57:45 UTC

In traditional finance, you need a good credit score, paperwork, and time to get a loan.

But in DeFi? You can borrow millions of dollars in seconds — with no collateral — as long as you pay it back within the same transaction.

That’s a flash loan.

It might sound wild, but it’s real. And it’s one of the most unique tools in DeFi.

Here’s how it works:

A flash loan lets someone borrow a large amount of crypto temporarily — but the catch is, the loan must be borrowed and repaid in the same block (the same instant, on-chain). If anything goes wrong or the repayment doesn’t happen, the whole transaction fails — like it never existed.

Why would anyone do this?

✅ The Good: Flash loans are useful for things like:

Arbitrage (profiting from price differences across platforms)

Swapping collateral positions

Liquidating under-collateralized loans

Complex DeFi operations that would normally require lots of steps and fees

In the hands of experienced users, they’re powerful tools.

But…

⚠️ The Bad: Flash loans are also popular among attackers. Because they provide quick, massive buying power, some people use them to manipulate low-liquidity markets or exploit poorly written smart contracts.

Most DeFi hacks you’ve seen in headlines? They often start with a flash loan.

❗ The Risky: Flash loans themselves aren’t evil — they’re neutral tech. The danger comes from the way people use them, and from protocols that don’t properly defend against sudden, high-volume actions.

For developers: building with flash loan safety in mind is essential. For users: just know they exist, and that when a protocol gets “drained,” a flash loan might’ve been the weapon — not the weakness.

In short: Flash loans show the speed and power of DeFi. But just like electricity — they can light a city, or burn it down.

XXX engagements

Engagements Line Chart

Related Topics credit scores default risk finance

Post Link

post/tweet::1945437693149896929
/post/tweet::1945437693149896929