Cardano's efficiency and performance running real-time applications, such as ecommerce, booking systems

Hi everyone,

Does anybody know how efficient and reliable the Cardano blockchain is at running decentralised applications that require real time data? For example, 1 product left in stock, on an e-commerce dapp, 2 people are looking to order this item. How fast can the decrease of the product count to 0 be reflected on the decentralised application?

Thanking you all in advance for any information about this, and apologies if this is duplicated.

Depends how congested the network is, but it’s not realtime - can be anywhere between a few seconds and a few hours, between when you submit a transaction and when it appears on the blockchain.

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