![]() ![]() Cryptocurrency ETFs do not directly hold cryptocurrency. The contract source and more technical details are available on Github.Tdub303/E+ via Getty Images Cryptocurrency ETFs: What They Are & How They WorkĪ cryptocurrency ETF is an exchange-traded fund that seeks to track the price of one or more digital currencies. ![]() We charge no fees for Cryptopunks transacted through the built-in market beyond the ones charged by Ethereum (gas). Do you charge any fees for transactions?.In fact anyone else could write a web front end for it. We have no control over the contract governing this market, and have no access to any additional data beyond what the blockchain provides. Because the Cryptopunks pre-date the ERC-721 standard (and all third party NFT marketplaces) we also needed to write a market so the punks could be transacted. The prices, bids and sales you see on this site are loaded from the Cryptopunks contract on the Ethereum blockchain. Where does the market data on this site come from?.None of the other methods are the same since you're not transferring a simple balance, but need to reference which specific Punk you want to work with. We support the methods that provide your balance so you can watch CryptoPunks as a token in your wallet and see how many you own. The CryptoPunks pre-date the ERC-721 standard and are a custom contract, that means it doesn't comply with any standards. ![]() You can read more about the mechanisms and details of the process in the announcement blog post. Since then, due to some clever compression ideas and some help from friends of the punks we have managed to put the entire image and attribute data fully on chain. You can verify that the punks being managed by the Ethereum contract are the True Official Genuine CryptoPunks™ by calculating an SHA256 hash on the cryptopunks image and comparing it to the hash stored in the contract. When originally released, the actual images of the punks were too large to store on the blockchain, so we took a hash of the composite image of all the punks and embeded it into the contract.
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