OKX Earn: flexible, fixed and on-chain Earn

Where the OKX Earn entry is

OKX gathers all its yield products into one channel called Earn. In the mobile app you'll find the Earn entry under a menu like "Discover / Finance," and on the web it's in the finance section of the top nav. Tap in and you'll see a product list laid out by coin and play type: Simple Earn, on-chain Earn, Dual Investment, various event products and so on (OKX's own OKX Learn walks through what each of these is).

OKX's channel has a fair bit more variety than a single flexible-savings product. The upside is more choice; the downside is that it's easy to lump fundamentally different products together — which is exactly what a beginner should sort out first. If you remember the old name Savings (Yu'e Bao), that flexible product now mostly lives in the flexible tier of Simple Earn; it's the same deposit-and-withdraw-any-time flexible savings, just relabeled. Below we separate the two main types.

Simple Earn vs on-chain Earn: the core difference

This is the most important table in the piece; remember it and you won't tap blindly:

Comparison	Simple Earn (flexible / fixed)	On-chain Earn / DeFi
Where your coins go	The platform's lending pool	Into an on-chain DeFi protocol
Where the yield comes from	Lending spread	Protocol fees / farming rewards
Main risk	Platform credit risk	Platform risk + smart-contract risk
APY	Relatively low, relatively steady	Often higher, but swings more
Who it suits	Beginners who want steady	People who understand DeFi and accept contract risk

The key difference is in the last two rows: on-chain Earn carries an extra layer of smart-contract risk. Your coins aren't just handed to OKX — they go through it into some on-chain protocol, and if that protocol's contract has a bug or gets attacked, the loss may not be something the platform can cover. A notch higher APY means a notch higher risk borne; do the math clearly.

Simple Earn: how to use flexible and fixed

Simple Earn is the closest thing on OKX to "low-stress earn," and it's the same logic as Binance Simple Earn — you lend your coins to the platform and it pays you interest. Its flexible tier is the one OKX used to call Savings (Yu'e Bao). It has two tiers:

• Flexible: deposit and withdraw any time, with a lower and floating APY, suited to money you might need any time.
• Fixed: locked for a set term, with a somewhat higher APY; you can't withdraw during the lock, and early exit has a cost.

The minimum to subscribe is usually very low — stablecoins often start from a few USDT. If you've read our Binance piece, you'll find the rules transfer over almost directly — the trade-off logic of flexible versus fixed is the same. If it's unfamiliar, read it alongside the Binance Simple Earn walkthrough and Flexible vs fixed: should you lock up.

On-chain Earn / DeFi: which extra layer of risk

On-chain Earn lets you put coins into on-chain protocols for yield through OKX's entry, without fussing with a wallet yourself or understanding a pile of DeFi steps. The convenience is real, but you need to know clearly that this layer of yield is paid for with "smart-contract risk."

A smart contract is a piece of code running on-chain that manages the coins you deposit. The code may have vulnerabilities, may be targeted by hackers, and the underlying protocol may run into problems. Once such an event happens, the loss is often real money, and not necessarily compensated. So with on-chain Earn, our stance is: however attractive the APY, use only a small amount and only products whose underlying you roughly understand — don't let your guard down just because "it's one tap inside OKX." This kind of "the higher the APY, the more you should ask why" judgment is covered more thoroughly in Why high APYs deserve the most caution.

Dual Investment: don't treat it as principal-protected

OKX Earn also has a type called Dual-Currency (what everyone generally calls Dual Investment), with an often very high quoted APY that, sitting in an earn list, can easily be mistaken for "high-yield flexible savings." It absolutely is not.

At its core, Dual-Currency is you selling an option: you set a target price and a maturity date, and if the target isn't hit at maturity you get your principal plus interest; if it is, you're converted into another coin at the target price, possibly buying high or selling for less. It's not principal-protected, and what you actually pocket depends on the price direction. Don't be tempted by the very high quoted APY — understand the mechanism first. We worked through it from scratch with a concrete numeric example in Is Dual Investment a high-yield trap: how the returns work. In one line: Dual-Currency is a tool, not a deposit — don't buy it as principal-protected high yield.

The steps and a few things to watch

Subscribing to Simple Earn is a short flow:

1. Open the Earn channel, choose Simple Earn, and search the coin you want to deposit (e.g. USDT).
2. Choose flexible or fixed (for fixed, also pick the term), enter the amount, and check the estimated APY.
3. Confirm the subscription, the coins move from your account, and interest starts accruing (usually the next day).
4. On redemption: flexible can be withdrawn any time; fixed auto-returns at maturity, and early exit generally forfeits the interest.

Three things to watch: first, before placing an order, check whether it's Simple Earn, on-chain Earn or Dual-Currency — the three have completely different risks; second, the estimated APY changes, and an abnormally high one should raise your guard; third, the accrual and payout cadence differs slightly by product — see How interest is calculated and when it arrives. To compare across all five yield product types, go back to the beginner hub Crypto earn basics: 5 yield product types and the risk spectrum.