Staking the same asset can mean two very different things depending on where you do it. The yield you see is only half the picture, the other half is who, or what, is actually holding and managing your crypto while it earns.
Custodial staking: a platform manages it for you
Custodial staking opportunities are offered by centralized exchanges and platforms, where the platform itself manages the underlying assets on your behalf. You deposit, the platform handles the technical side of validating or delegating, and you receive a yield in return. The trade-off is straightforward: convenience and simplicity, in exchange for trusting that platform's solvency, security practices, and willingness to honor withdrawals.
DeFi staking: smart contracts instead of a company
DeFi staking opportunities run through decentralized protocols and smart contracts instead of a centralized company. Rather than trusting a platform's internal ledger, you're interacting directly with code that's typically open for anyone to inspect. Edge Staking's DeFi mode also surfaces adjacent opportunities like lending markets and liquidity pools alongside pure staking, since they occupy similar territory in terms of how the yield is generated and what you're exposed to.
Different risks, not just different mechanics
Neither route is risk-free, and the risks aren't the same kind. Custodial staking concentrates risk around the platform itself, if it becomes insolvent, gets hacked, or restricts withdrawals, your access to funds depends on that single entity. DeFi staking trades that concentrated counterparty risk for smart contract risk and protocol risk instead: a bug in the code, an exploited vulnerability, or a poorly designed incentive mechanism can affect funds regardless of how sound the platform's business itself is. Liquidity pools specifically add another layer, impermanent loss, on top of ordinary protocol risk.
There isn't a universally correct answer
Which route makes more sense depends on what you're optimizing for. Custodial staking tends to suit people who want a simple, hands-off experience and are comfortable trusting an established platform. DeFi staking tends to suit people who'd rather evaluate a protocol's code and mechanics directly and are comfortable managing their own wallet and transactions. Neither one is inherently the "safer" choice in every case, they're just different distributions of where the risk actually sits.