Linked Questions

50
votes
3answers
23k views

How to reduce the chances of your Ethereum wallet getting hacked?

Summary The hack that occurred on May 12 2016 to steal 7,218 ethers from Patrick only affects miners where: Incoming RPC connections from the Internet on TCP port 8545 are forwarded to the machine ...
6
votes
1answer
2k views

Is it possible to refund or cancel a contract based wallet transaction?

Is it possible to refund/cancel transactions? I have sent Ether to a merchant and the funds are away from my wallet, but the merchant said I used a wrong wallet... (I sent from my contract wallet ...
5
votes
1answer
3k views

Transaction nonce management

Since transactions require a nonce that is one more than the previously mined transaction for a given address, what happens if someone sent a transaction with a low gas price that was refused by ...
3
votes
1answer
2k views

Doubts regarding transactions broadcasting and concept of tx pool

This is going to be a long and some questions may sound dumb. But let's go ahead with this. As per my understanding, once we send a transaction to blockchain, it goes to transaction pool with other ...
2
votes
1answer
5k views

Can I “cancel” a token transfer transaction by sending ether?

The OMG transaction is listed here on etherscan. I initiated it around 7:30 AM this morning, even though the timestamp on that page always seems to restart everytime I refresh the page. I found a ...
2
votes
3answers
447 views

In ethereum, what happen if someone controls a large majority of mining power?

If someone manages more than 50% of the mining power, this situation necessarily compromises the integrity of the past blocks and newly generating blocks?
2
votes
1answer
2k views

Sent ETH from Lykke with smart contract to Binance.com. Account still not credited? What to do? [closed]

Is my ETH lost if the receiving exchange company does not recognize smart contracts? is there a way to reverse transaction or recover the ETH sent?
1
vote
1answer
123 views

I have made a massive mistake [duplicate]

Hi I sent tokens from MEW to a wrong address. My first transaction! 0x70a72833d6bf7f508c8224ce59ea1ef3d0ea3a38 Is there anyway I can get it back or locate the institution or person? Yours weepingly ...
1
vote
2answers
241 views

Ethereum I want to find it

During the course of the Tezos ICO, By mistake, send the Tezos ICO addresses Ethereum at the Bithumb exchange exchange address. It's vaporized. Is there any way I can find it? Please help me.
1
vote
1answer
106 views

How do I retrieve funds sent to wrong address that doesn’t exist [duplicate]

I sent some funds to my MEW wallet but I fat fingered the address and sent it to a different address that does not seem to exist. How do I claim that address to retrieve funds I see sitting in the ...
1
vote
1answer
298 views

How can I Retrieve Wrong Transfer of Erc20 tokens [duplicate]

I mistakenly Transfer an ERC20 token to a scammer Like(I created the Token) then I saw the Write function on etherscan.io. Is it possible to transfer it back to my wallet or not and if it is possible ...
1
vote
1answer
69 views

sent my eth to unknown eth FREEWALLET address [closed]

How can i recover my eth it was sent to an eth address with a one transaction from FREEWALLET. I am using the trust wallet while sending and im very sure that what i copay and paste is the same ...
1
vote
0answers
272 views

transaction failed - out of gas (How can i return my ethereum and cancel Transaction)

How can i return my ether and cancel this transaction.?? and Ethereum will be return back fund Cryptopia right..?? Transaction link: 0x0991adfb4e316c920f32365b8949e46ae741c055547257e848c6fe92aa308757 ...
1
vote
1answer
396 views

My monetha tokens dissapeared from myetherwallet - please help! [duplicate]

I recently bought Monetha(MTH) tokens and transferred them to my wallet (mytherwallet.com). Within few minutes i saw a transaction where in my tokens were transferred to another address. Here is the ...
1
vote
1answer
158 views

2 days ago when i open my ether wallet i notice that all of my ether is stolen [duplicate]

2 days ago when i open my ether wallet i notice that all of my ether is stolen about 25 ether my addres is 0xbE50d343BC815C424a5bD3abf7B3046fe4f491c9 and the hacker addres is ...

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