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Unfortunately we receive a large volume of spurious email and we cannot always respond instantly. If you have a requirement that exceeds the current limits, please feel free to contact us to discuss your needs. We recommend that you redeposit your funds when reminded, however redepositing is optional and failure to redeposit will not necessarily lead to the loss of any funds. You should always have at
hacked starbucks codes buy with bitcoin ethereum chart two different two-factor options enabled. We take our users' security very seriously; we have never disabled two-factor authentication for any user once enabled, unless explicitly authorized to do so via another two-factor authentication method. Please see below for details of recovery transactions which allow you to move coins from 2of2 accounts. For a simple high level comparison with similar services please see. Your wallet client will then ask you to login using your mnemonics and you can resume using the service as normal. In all other cases you will only be able to retrieve your mnemonics by brute force trying various combinations of valid
mine bitcoins without asc coinbase how long to wait until. We suggest you locate local services using your favorite search engine and carefully review any potential options. What happens if your service goes away? Re-using old addresses makes it easier for others to group transactions together and can be less secure. We do not do this, because if we did so, it would compromise all the security offered by 2FA in the first place. What's happening? Please feel free to raise issues on GitHub or email us at info greenaddress. Why am I am being asked to redeposit my funds? This password is sent to the server and destroyed on the client. This is an area of rapid change and innovation and so we do not list or specifically recommend any services in this space. A testnet faucet to receive coins for testing is available at tpfaucet. We support:
Poloniex alternative new york how to add favorite on binance you have specific support requirements please contact us to discuss your needs. This can be useful if you want to ensure a transaction confirms even more quickly by
mine bitcoin using computer mine bitcoins on iphone the default feeor to lower the fee if you do not care how long the transaction takes to confirm. If your coins are in a 2of2 account then you will need to recover your authentication - we cannot disable it in this or any other case. The redeposit operation is a standard bitcoin transaction and as such is subject
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how do i buy bitcoin shares connect schwab to coinbase. We prioritize addressing security problems and bugs in the software providing the service. Where can I find my old addresses? This means that a potential coin thief has to first access your wallet and then also hack into your two-factor authentication in order to try to steal your coins. After entering the wrong PIN three times, the back end service will delete its copy of your wallet's random decryption key, at which point the
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sports betting online bitcoin how to setup an ethereum wallet for erc20 tokens longer be used. Future developments in two-factor processing will be notified in our applications and this FAQ. It may be some time before we can safely implement. If you can not see your transaction in a block explorer, it probably means it is still propagating or failed to do so for example, setting the fee too low can cause transactions to be dropped. If you are building a service that will use GreenAddress, we suggest you get in touch to discuss your requirements and ensure your use of the service will be secure. See also Opt-in RBF. Do you support Tor? If the server is given the wrong PIN three times, it will destroy the password at which point the user must use their mnemonics to log in. Some countries can be more affected than others depending on factors like the reliability of the underlying mobile infrastructure. As such, we strongly urge users to set up at least 2 different 2FA methods. GreenAddress does not currently charge fees for any of its services. Unless you are experienced in using Bitcoin, we suggest you use the default fee calculated for you by the wallet.
Welcome to 99Bitcoins’ simple Bitcoin Mining Calculator
If you find that you are hitting a rate limit, please contact support with the details. In addition to these rules, sometimes large or unusual withdrawals will require direct administrative approval. Your mnemonics are encrypted and stored locally only when PIN login is enabled See below. Convenience Easy access from anywhere All access controlled by a single user mnemonic phrase A simple interface with up to date fiat price conversion Fast PIN login Watch-only logins for quick balance and transaction checking Easy key sweeping to import coins Sub-accounts for 2of2 and 2of3 signature transactions Security Multiple two-factor authentication options GreenAddress signature required to move coins Transaction limits and restrictions Hardware wallet support Recovery "nLocktime" transactions 2of3 accounts for user controlled backup keys Privacy User secrets are never transmitted to our servers User secrets are never stored unencrypted on your device Minimal information is stored by the service Optional PGP encryption for user emails What are "2of2" and "2of3" accounts? We sign your transaction only if it complies with the limits you have enabled, and only when you provide two-factor authentication. All of our applications are open source and you can contribute to their development on GitHub. We have a long list of planned features and languages that we wish to support. It is extremely unlikely that a user will encounter these limits under normal use. We value your feedback and suggestions. Your private keys are not stored. We always do our very best to have your withdrawals sent to the blockchain as fast as possible; however, we cannot guarantee instant withdrawals. If you can't remember the PIN you use to login to your wallet, you will need to use your mnemonics to log in instead. We support: If you have a requirement that exceeds the current limits, please feel free to contact us to discuss your needs further. Funds in your main GreenAddress account or a multisignature 2of2 subaccount require 2 signatures to be spent: The fee you see in the sending transaction dialog is paid to Bitcoin miners to confirm your transaction i. If the service becomes unavailable, you simply wait until the specified period 90 days by default , then sign and send the transaction using our open source recovery tool garecovery. This creates a new nLocktime transaction for you, while re-protecting the coins by once again requiring a GreenAddress signature to spend them. If your coins are in a 2of2 account then you will need to recover your authentication - we cannot disable it in this or any other case. If you transferred your coins to a 2of3 account then you can move them without two-factor authentication since you have 2 of the 3 required signatures. In order to protect you from loss of access to your funds should GreenAddress become unavailable GreenAddress automatically creates pre-signed transactions which you can subsequently countersign to recover the funds to an address controlled solely by you. We have sensible rate limits to prevent the service from denial of service attacks. Please ensure you check your spam folders and give the email time to arrive. After entering the wrong PIN three times, the back end service will delete its copy of your wallet's random decryption key, at which point the PIN can no longer be used. Why am I charged a fee to redeposit my 2of2 funds? As noted, 2of3 accounts can be used to avoid requiring authentication also. Unfortunately, many banks and payment services such as PayPal don't yet support Bitcoin directly. The main consequences of not redepositing are: Why does my receiving address change all the time? As long as you keep these backups you can maintain access to your coins even if you lose access to one method for any reason.
Transactions fees change according to demand on the Bitcoin network. Our mainnet production site is at http: Where can I find my old addresses? Is it possible to sign arbitrary messages to prove ownership of GreenAddress 2of2 accounts? Some countries can be more affected than others depending on factors like the reliability of the underlying mobile infrastructure. This is an area of rapid change and innovation and so we do not list or specifically recommend any services in this space. While GreenAddress does correctly process multiple payments to the same address, we recommend not re-using. If the server is given the correct PIN
coinbase requiring ssn best bitcoin casino deposit bonus logging in, it will return the password to the device in order to decrypt the mnemonics. Why am I am being asked to redeposit my funds? We have two Android applications, a native application and a
Poloniex litecoin ethereum dual mining sia 0 speed job timeout application. These future mitigations require careful design and development to ensure that they cannot be exploited by attackers.
Frequently Asked Questions
The main consequences of not redepositing are:. This is called "bump fee" in the client, and is also known as "replace-by-fee"
greenaddress review desktop titan bitcoin mining "RBF". You can check the existing issues on GitHub for details. Most of our wallet clients allow you to change the fee. As such, we strongly urge users to set up at least 2 different 2FA methods. The server receives the public key and chaincode for generated addresses. Transactions fees change according to demand on the Bitcoin network. Our iOS application is available from the iTunes Store. I don't see
dragon coin cryptocurrency what does leverage crypto expected incoming transaction in my wallet! What are the service limits? We do not aim for the absolute fastest possible confirmation time since doing so may be very expensive. Is it possible to sign arbitrary messages to prove ownership of GreenAddress 2of2 accounts? Your wallet client will then ask you to login using your mnemonics and you can resume using the service as normal. Addresses should be thought of as one-time receipt IDs rather than as unchanging identifiers such as traditional bank wire details. The production web wallet service can be used from any modern web browser. Addresses change constantly for privacy and security reasons. We ask you to accept the use of our cookie in accordance with EU law.
This also means that any limits placed on your spending in GreenAddress, such as 2FA requirements, cease to be enforceable by GreenAddress. If the fee is set too low the transaction can become stuck because the incentive is not sufficient for a miner to mine it. At this point GreenAddress may prompt you to redeposit the coins by sending them to yourself. What currency exchange sources do you support? GreenAddress is designed to allow you to recover your coins if the service ceases to be available. It is extremely unlikely that a user will encounter these limits under normal use. If we add a fee for any service in the future, this will be clearly communicated and opt-in. The service never knows your mnemonics or passphrase; We cannot help you recover them if they are lost. It becomes possible that anyone with access to both your mnemonic and the nLockTime. GreenAddress does not currently charge fees for any of its services. This environment is updated regularly and may be restarted without notice. We suggest you locate local services using your favorite search engine and carefully review any potential options. Security Where are my Bitcoin keys stored?
