# Random Numbers

Typically, on-chain applications can make use of an [oracle](https://chain.link/education/blockchain-oracles) which will allow on-chain resources to access off-chain data. 

Due to the speed of this game, executing a [VRF](https://chain.link/education-hub/verifiable-random-function-vrf) like [Chainlink](https://chain.link/) will take far too long to produce random number with enough speed for an enjoyable game. Instead, ChopChop uses a method for RNG (random number generator) called "commit-reveal".

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