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Fixed typo: "really dummy" → "real dummy" #15523

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May 28, 2025
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Fixed typo: "really dummy" → "real dummy" #15523

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2 changes: 1 addition & 1 deletion ...transfers-and-approval-of-erc-20-tokens-from-a-solidity-smart-contract/index.md
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Expand Up @@ -13,7 +13,7 @@ address: "0x19dE91Af973F404EDF5B4c093983a7c6E3EC8ccE"

In the previous tutorial we studied [the anatomy of an ERC-20 token in Solidity](/developers/tutorials/understand-the-erc-20-token-smart-contract/) on the Ethereum blockchain. In this article we’ll see how we can use a smart contract to interact with a token using the Solidity language.

For this smart contract, we’ll create a really dummy decentralized exchange where a user can trade ether for our newly deployed [ERC-20 token](/developers/docs/standards/tokens/erc-20/).
For this smart contract, we’ll create a real dummy decentralized exchange where a user can trade ether for our newly deployed [ERC-20 token](/developers/docs/standards/tokens/erc-20/).

For this tutorial we’ll use the code we wrote in the previous tutorial as a base. Our DEX will instantiate an instance of the contract in its constructor and perform the operations of:

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