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Is it always safe to broadcast a signed raw transaction that I've manually reviewed?

Is it always safe to broadcast a signed raw transaction that I've manually reviewed?

Etherum Reddit

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I've been playing around with MyEtherWallet, downloading it and running it in offline mode. Using some throw-away addresses, I created the following raw signed transaction:

{ "rawTransaction": "0xf86b808398968082520894e37962ffcebb3d6960e7b32c65fa112b0b314db189055de6a779bbac00008026a0d4f5fcf8a0a59253e3ee8a71dc2b61501ad948db45aabd7c2d081550fe75bb8ba01cfb0d01dc1555c970008674955d12111bb940265c2ffcc231ebea3fe2215e2b", "tx": { "nonce":"0x00", "gasPrice":"0x989680", "gas":"0x5208", "to":"0xe37962ffcebb3d6960e7b32c65fa112b0b314db1", "value":"55de6a779bbac0000", "input":"0x", "v":"0x26", "r":"0xd4f5fcf8a0a59253e3ee8a71dc2b61501ad948db45aabd7c2d081550fe75bb8b", "s":"0x1cfb0d01dc1555c970008674955d12111bb940265c2ffcc231ebea3fe2215e2b", "hash":"0x3cd65a22422de63e977e810a559c08afb3a9f351e14c1d72fbda54809fa2e202", "gasLimit":"0x5208", "data":"0x", "chainId":1 } } 

What I tried to do was to send 99 ETH from 0x8fA00A959Bbb72B4b6F25fB8B7B36c4085Bb83E1 to 0xe37962ffcebb3d6960e7b32c65fa112b0b314db1.

Now, if all people behind MyEtherWallet were crocks (let's say they've been brainwashed by evil space lizards), would I still be safe trying to broadcast this transaction via MyEtherWallet in online mode? That is, is this whole JSON file sent to the network where all the values have to agree with each other? I realize that the transaction could be rejected if done erroneously, but is there some way, if MyEtherWallet controls both the online and the offline wallets, that the final transaction could be something else than I thought (given that I don't make any mistakes when reviewing the raw signed transaction above)?

In addition, when looking at the JSON above, I can't find neither the output address (0x8fA00A959Bbb72B4b6F25fB8B7B36c4085Bb83E1) nor the amount (99 ETH). Is it possible to see these somehow?

submitted by /u/Wawwawowwa
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