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Questions tagged [multisignature]

multisignature is a process of requiring multiple parties to unlock funds, decrypt information or sign transactions

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37
votes
3answers
22k views

How can I create a multisignature address on Ethereum?

I want to store my ether in a form that requires more than one digital signature in order to authorise spends. How do I do on that on Ethereum?
16
votes
1answer
4k views

What is the exploit behind Parity's multisig wallet from 2017-07-19

Right now (2017-07-19, 10pm CEST), there is an alert from Parity that there is an ongoing exploit on their multisig wallet. What is the cause and mechanism of this exploit?
13
votes
4answers
798 views

Deploying a contract from a multisig wallet

I created a multisig wallet using Mist, but don't know how to deploy a contract from the wallet address. Is it even possible? If so, how to do this?
8
votes
1answer
2k views

Documentation On Multisig Wallet in Mist?

Is there documentation related to the built-in multisig wallet contract in the Mist Wallet? I see there are many additional functions in this contract like changing / adding / removing owners etc. ...
7
votes
1answer
877 views

“Standard” Mist/Ethereum Multisig Wallet Safe?

I made a multisig wallet using Mist or EthereumWallet (don't remember exactly) in July 2016 and put some ETH inside. Now, given the Parity hack a few days ago, I am wondering if my multisig wallet is ...
6
votes
1answer
307 views

Gnosis wallet app distribution

Gnosis wallet is the golden standard of Ethereum multisig wallets: https://wallet.gnosis.pm/ To minimize the security risks, does Gnosis wallet have a static HTML ZIP distribution? (Install once, ...
6
votes
1answer
771 views

Walk-Through Creation of a Personal Two-Factor Authentication Wallet / Contract

I would like to create a multi-signature wallet to store large amounts of Ether with at least one signature from my Android phone (the other from my PC and/or another phone). What would be the ...
5
votes
2answers
747 views

Mist Multisig Wallet: How to change daily withdrawal limit?

Anybody know how to change a Mist multisig wallet's daily withdrawal limit from within Mist?
5
votes
1answer
3k views

Does The Ethereum Wallet / Mist Standard Multisig Wallet Support ERC20 Tokens?

This question was prompted by Any multisig wallets for Ether?: Are there any multisig wallets available for ether and other ethereum-based tokens?
5
votes
1answer
3k views

How to find the contract wallet JSON and ABI

I'm trying to find the JSON and ABI for one of my contract wallets here: 0x1Fa0926C69eEe89d212F0848803e4Ee2E548fE4D The reason is that there is some ETC locked up in it that I'm trying to dump, ...
5
votes
2answers
926 views

What is a multisignature address? [duplicate]

What additional advantages would a multi signature address give? Can it create multiple nodes for blockchain broadcasting?
5
votes
1answer
304 views

ConsenSys/MultiSigWallet how do I call addOwner()

I'm using the ConsenSys/MultiSigWallet but I'm struggling to add an additional owner to the wallet. I've read in the source code that an addOwner() call has to be sent by wallet, but I'm unsure how ...
4
votes
2answers
762 views

Why and how does the “low security” functions affect the biggest multi signature contract?

People use this contract everyday http://github.com/ethereum/dapp-bin/blob/master/wallet/wallet.sol and it's also the contract with most ethereums right now. Also you can create a multisig account on ...
4
votes
1answer
995 views

Where's the Solidity code for Mist's default multi-sig contract wallet?

I would like to audit the Solidity code of Mist's default multi-sig wallet contract, where is it in github exactly? Thanks
4
votes
1answer
454 views

Why does a multisignature wallet in mist only require one signature?

I've created one new contract wallet from an account in mist and this account is supposed to required two signatures. When I test it to send some coins, it asks me to enter one password from one ...
4
votes
1answer
245 views

Will pooled staking be implemented using multisig deposits?

Would this be a valid implementation for an ether staking pool if the goal was to eliminate the need for depositors to forfeit control of their ether to the pool owner? Depositor creates a contract ...
4
votes
1answer
766 views

Using blockchain to store education certificates that are signed by at least two people. Is this possible to do on Ethereum?

Objective: I want to build a public blockchain where people can put their education certificates on the chain. The certificate's issuer and recipient both put their signature on the certificate to ...
4
votes
3answers
1k views

How to recover EtherLi Multi-Sig Wallet without SMS?

For any reason is phone number in my EtherLi Multi-sig wallet settings wrong. I don't receive the 2nd verification code by SMS due to the wrong digit in my phone number. Please let me know how to ...
4
votes
1answer
498 views

How can i create the multisignature address using cli (Json rpc or web3)

I need to integrate the multisignature wallet on my website. But the multisignature option only provided on the mist process so how i can integrate with site. I need the API
4
votes
1answer
1k views

Can MyEtherWallet/Jaxx interact with a Mist generated Multisig wallet?

I've created a 3 fo 5 multisig wallet using the Mist browser. The first account was created in Mist, but the rest were on different computers (some offline) and I just typed in the public addresses in ...
4
votes
1answer
737 views

Multi-Sig Contracts Comparison

I'd like to see a comparison of features (audited, how active it is, last modification, usage in real world, ..) among the known multisig wallets: this for creating a reference comparison for choosing ...
4
votes
0answers
72 views

Is it possible to create a Multisig wallet with only 1 owner confirmation?

I am asking this because of I am looking for a way in case something happens to me, someone else has full authorization. Thanks.
3
votes
2answers
1k views

Error: Documented parameter “{uint” not found in the parameter list of the function on Solidity 0.4.11

I am trying to compile the Gav Wood's wallet on the latest Solidity compiler. Looks like the latest Solidity compiler has some issue with the code I do not totally understand. I'd like to know how to ...
3
votes
2answers
419 views

Multisign in only one transaction

I'm coding a contract in which I would like some functions to be called only if approved by 2 people (a merchant, and a customer). Now, I know that I could program a buffer storing pending request ...
3
votes
3answers
2k views

How to recover my ether.li wallet with any other wallet software?

I am facing the following problem with my ether.li wallet, I never had Problems in the past with sending transactions but for the last two days transactions stopped working for me. Whenever I try to ...
3
votes
2answers
1k views

Generate contract data hex for 'confirm' function on eth multisig wallet

I have an account on a hardware wallet that is an owner of a standard multsig wallet contract. I want to be able to approve a transaction that is originated from a different wallet. If I have access ...
3
votes
1answer
544 views

Problems with sending eth from multisig wallet to account using geth console

I'm running simple tests using geth console before making implementation in java project. I'm using geth 1.5.4 running as one private node with mining. Here is the command I use to start geth: geth --...
3
votes
1answer
1k views

How to unlock the ethereum contract account?

I installed the package from this link and its working fine. Then I create the one multisig contract. when creating the contract I got one new address. I can deposit that address but for withdraw ...
3
votes
1answer
137 views

Ethers are withdrawn using send from source contract but not received in account

I am trying to send ethers using the following code: //check if confirmed by both the owners if(tr.confirmedByUbuntu && tr.confirmedByWindows) { bool withdrawal = tr.to.send(tr.value); //...
3
votes
0answers
71 views

Problem with import of ether.li wallet into Mist [duplicate]

I am unable to follow the guide provided from the creator of ether.li: https://masonborda.com/etherli-wallet-recoveries/. I managed to import both accounts via the console into Mist but I am unable ...
2
votes
3answers
929 views

How to verify Mist's standard multisig wallet using Etherscan tool?

I've found standard Mist wallet contract code, thanks to another answer. I am trying to verify this contract over and over using different compiler versions but verification fails. Can somebody point ...
2
votes
1answer
191 views

Was parity multisig exploit fixed?

I want to use parity as a multisig wallet, but I want to make sure they've already fixed the recent exploit. Most articles online just talk about the exploit.
2
votes
1answer
302 views

Why `address.call` function “saves” unnecessary gas for after the internal execution?

I deployed a contract of a multisig wallet to ropsten and try to test its abilities: https://ropsten.etherscan.io/address/0x8bf20c41ee6a9fd84e81d6f6df872d9628cd08b2 Things that worked fine: Withdraw ...
2
votes
1answer
2k views

How to create multisignature transaction?

I have to create a multisignature transaction which the transaction should get signed with at least 2 private keys. Could anyone explain how to do it? I am using web3.py import rlp from ethereum....
2
votes
1answer
116 views

Adding/removing Owner in MultiSigWallet

I'm trying to understand the logic of Consensys' MultiSigWallet and being stuck with the understanding that onlyWallet can call addOwner() or removeOwner() or replaceOwner(). There are no such ...
2
votes
1answer
318 views

How to interact with a contract function through another contract?

I have this function on my MultiSigWallet function submitTransaction(address destination, uint value, bytes data) public returns (uint transactionId) { transactionId = addTransaction(...
2
votes
2answers
430 views

Managing ERC-20 tokens in a corporate setting

What are my options for managing large quantities ERC-20 tokens in a more corporate manner. In particular multi-sig and disaster recovery. I like the features in Mist/EW, but do these multi-sig and ...
2
votes
2answers
379 views

Assign keys to a multisig wallet within a contract?

This is tangentially related to this question: Can I Make A Contract A Keyholder to a Multisig Wallet? Is it possible to setup a multisignature wallet from directly within a contract? My intuition ...
2
votes
3answers
510 views

Solidity function with multisig functionality

I have a smart contract for pallet exchange. There I have a function for exchange pallets between two partners. The point is, I want that you can only run the function when both partners confirm the ...
2
votes
1answer
251 views

Is it possible to create a smart contract from a multi sig smart contract wallet?

Is it possible to create a smart contract, for example a ERC-20 from a multi signature smart contract wallet?
2
votes
1answer
189 views

Multisig Wallet in Mist created but is in creating loop

We are using MIST and we've created a Multisig Wallet. It is actually creating (still grey and creating) and my partner imported it and it is importing (also grey). Is there some BUG in MIST why it is ...
2
votes
1answer
260 views

Is there any simple explanation to multisig wallets?

I read on ConsenSys and Ethereum MultiSigWallet. I got that "The purpose of multisig wallets is to increase security by requiring multiple parties to agree on transactions before execution. ...
2
votes
0answers
1k views

How to transfer ERC20 tokens from a multisig wallet?

How can I transfer ERC20 tokens from a multisig wallet? According to this question, it is possible to send a token from a multisig by setting the to parameter as the token contract's address and ...
2
votes
0answers
233 views

wallet.ethereum.org How to send from multisig contract

I have a multisig contract with 2 required signatures. The first singature will be made by account key. I have a private key from the second, but how to sign it?
2
votes
0answers
110 views

Coinbase Multisig

I accidentally created a multisig wallet (with a limit of 0) against my Eth wallet in my coinbase account and transferred some ETH there - now I can't get it out. Any idea how to either export that ...
2
votes
0answers
282 views

Execute contract using multi-sig contract account

I cannot execute my contract using a wallet contract with multi-sig from Mist. After the last signature is confirmed, the transaction stuck in the "Confirmation Needed" section of the Mist window ...
2
votes
0answers
149 views

How the multisignature process working after completed the contract process

I completed a contract creation process using Ethereum Wallet source code. How can I use this contract from a web3 client (not from Mist) ? Can you give some example workflows for using ...
1
vote
2answers
694 views

Multisignature contract process got the error TypeError: Cannot access member 'call' of undefined

First step i start the geth like this geth --testnet --natspec --rpc --rpcaddr 127.0.0.1 --rpcport 8545 --rpcapi "personal,eth,web3,net" Then I run the following code: //Multisignature source code ...
1
vote
1answer
148 views

How to combine a MultiSigWallet with the advantages of a HD Wallet?

For a token sale we want to use the MultiSigWallet from ConsenSys where all team members will registered as signer while every transaction needs to be signed by at least 2 team members. Otherwise we ...
1
vote
1answer
457 views

Error: MetaMask Tx Signature: Unknown problem:

Can anyone tell me what's going wrong? My contract function is working fine for some accounts, then not for other's. It completely random also, sometimes it's one account sometimes it's another. ...