Reverse ethereum transfer

Here's how you can cancel it with Bridge Wallet. To do so, click the "Send" button. For this example, we send ETH 0. Address: Your own Bridge Wallet address. You can copy it from the app's "Addresses" tab. Open the "Advanced" menu and enter the following parameters: Gas price: Put a gas price that is higher than the price of the stuck transaction, and sufficiently high to go through the "Average" or "High" number shown here.

Gas limit: Leave the default value. The new pending transfer is appended to pendingTransfers. An event is emitted to make it easy for clients to know that the transfer is now pending. Otherwise, I would need to check their return values. Finalizing Transfers Once the escrow period has elapsed, a pending transfer can be considered final.

The pendingTransferSet makes it easy for a recipient to enumerate all their pending transfers and finalize those that are ready. Transfers can only be reversed during the escrow period. Reversing a transfer updates balanceOf for both accounts. An ERC20 Transfer event is emitted to reflect the change in balances. The Reversed event makes it easy for clients to observe the reversal. To support reversals, the token must keep track of two balances: the total amount of tokens owned and the amount currently available for spending.

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Transactions are irreversible. Once a transaction is issued, the amount is deducted from the wallet and the money can never be retrieved in case you give the wrong address. Blockchains are not entirely immutable. Most of the transactions are uninsured that is your funds are not insured against theft, technical defaults, or other unknown reasons.

How does Kirobo Work? Kirobo is supported by MetaMask wallet and WalletConnect users. This means, that individuals who have sent funds to the wrong address can now recover their lost funds. So, how does it work? Kirobo has created a new protection layer for the safety of ETH transactions. First, for every transaction, a code is generated. This code is sent to the recipient through a text message or the phone. In situations where you do not have the private key such as if you send ether to an exchange and you don't receive an appropriate account balance adjustment , then you must ask the recipient to perform the reversing transaction and hope they have the private key.

If the recipient is a company, you should contact their support staff. Stack exchange members unless they happen to work at the company in question cannot help you. Race to replace the transaction If the transaction has not yet been confirmed in the blockchain and is only in the transaction pool, you can replace the transaction.

This is as close as you can get to cancelling a transaction. Note that this still results in a transaction occurring and gas being paid for. Repost transaction One way of replacing an unconfirmed transaction is to repost a replacement transaction with the same nonce but a higher gas price; a possible replacement transaction is to post a 0-value balance transfer with yourself as the recipient.

It might be a bad idea to set a very low gas limit in case such a transaction is filtered out by a miner. This method can only be used to replace a transaction you have sent. This method works to replace any kind of transaction -- including ones for interacting with contracts such as tokens. Create a winning fork Since the current state of the blockchain is based on the history of the blockchain, one way of reversing a transaction is to rewrite the blockchain history starting from at least the block containing the transaction to be reversed.

Forking the blockchain intentionally like this may have negative consequences for the overall Ethereum network. One could build a longer chain than the current chain. One way of doing this is to append blocks to the chain faster than people mining the chain containing the transaction to be reversed the "honest" network.