To do this, you will probably need 2 devices.

1 connected to the internet (watch only)
1 not connected to the internet (the wallet itself)

To create those wallets:

• 1. In your connected device: open Electrum to create a new wallet and choose: Standard wallet -> Use public or private keys -> Paste your public key (address); This will be your watch-only wallet.
• 2. In your offline device: do the same as step 1 but with your private key instead of public key.

When you want to spend your coins:

• 1. Go to the connected device, open Electrum -> "Send" -> Fill the address you want to send the coins to and the amount.
• 2. Click "Preview" -> "Save" -> Save the txt file with the unsigned transaction to your flash drive.
• 3. Now go to your offline device and open your offline wallet -> Tools -> Load transaction -> From a file.
• 4. Choose the txt file with your unsigned transaction from step 2.
• 5. Click "Sign" -> "Save" -> Save the signed transaction to your flash drive.
• 6. Now, go to your online device again and:
• a. Broadcast the transaction from a website (e.g: https://live.blockcypher.com/btc/pushtx/).
• b. Load the signed transaction file (just like the step 3) and click "Broadcast" to send the transaction.

Edit: This video follows the same proccess described above - https://www.youtube.com/watch?v=DQumISxkJsQ

No. Only BBCode is accepted and those are the rules per each rank:

Coinbin isn't storing your keys anywhere. As I said, "you can download the website source and run it locally (without internet). You only need an internet connection to push transaction.";
Electrum is still better and safer, but the OP is asking for a wallet similar to MyEtherWallet. And I suggested him one.

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That's an easy fix. Don't let anybody get your email and password?

Are you talking about a Coinbin generated Time Locked Address?

If so, make sure you go to Coinb.in and do the following:

1. Go to New -> Transaction[1].
2. Paste your redeem script and click Load.
3. Paste the address you want to send the coins to at "Address" and the amount (minus fees) at "Amount".
4. Click Submit and copy the result.

5. Go to Sign[2].
6. Paste the output from the New Transaction page and the private key from the address you choose when generating the Time-locked address.
7. Copy the signed output and broadcast[3] it.

I did this exactly proccess last week with an address I had and it worked without any issues.

[1] https://coinb.in/#newTransaction
[2] https://coinb.in/#sign
[3] https://coinb.in/#broadcast

You could have spent 10 seconds of your life to at least read the first 2 lines of the thread where OP links his GitHub repo and says that "BTC Sniffer is a Python script" instead of posting this.

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Edit: LOL. Just saw after the last post that this was posted 5 years ago.

Yes. The only way we can see Segwit's at full capacity and lower fees is if more people start sending Segwit transactions. Current only ~9% of all Bitcoin transactions is using Segwit.

Yes. You need the Address to fund it with coins and the private key to spend them. This wallet from Coinbin also lets you see your private keys, so you can use it on any other wallet software.

You can buy Bitcoins directly from GDAX (Coinbase exchange) to avoid paying Coinbase's fee. Check this video[1] for more information.

[1] https://www.youtube.com/watch?v=lcCIjIAqM-4 [How To Stop Paying Coinbase Fees]

You clearly don't know how MEW works. It's basically just a client-side page for your wallet. Nothing is stored anywhere other than your wallet file that is used to open and manage your wallet or nothing at all if you want to open your wallet with its private key.

And now you are saying that Blockchain.info - which wallet is stored in their database - is "quite secure"; Even after your comment saying that you wouldn't "touch anything which exhibits on the web" (?).

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If you are looking for something similtar to MEW, I suggest you Coinbin[1], which is open source, don't require any internet connection and can be used from any PC if you have the email and password chosen when generating the wallet.

[1] https://coinb.in/#wallet

ZCash is tagged as "evaluating" in Exodus roadmap - with this comment: "If the Zcash network remains stable and has continual upgrades it is likely we will support this asset in 2017."

About Monero, I posted this last week:

There are a lot of ways to see SegWit2x and how can it be bad or good.

Some reasons why the fork is bad:
- It is a hardfork, so there is a risk of a permanent fork.
- It is a blocksize increase, so less people will be able to store the whole blockchain.
- Core is not in favour of a blocksize increase.
- The 2x is pushed by miners, who were not supposed to be able to control the protocol.
(source)

If you have X Bitcoins before the fork, after it happens you will also have the same amount in the other chain.
Example: If you have 1 Bitcoin, after the Bitcoin Gold fork you will have 1 BTC and 1 BTG. The same also happens with SegWit2X. If you have 1 BTC, you will also have 1 B2X in its chain;

They didn't.

You still can't submit transactions with a fee bellow 10 sat/byte. In this case, ConfirmTX.com is also free for transactions with a size of up to 500 bytes.

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Don't you need a cloud mining contract to have the limit removed?

I used this wallet for a few months last year and it worked as it should. The big "bonus" is the Segwit support that is already implemented in both GreenAdress and GreenBits app.
You can read about a few features GreenAdress has in this page: https://greenaddress.it/en/faq.html

WageCan[1] is only of the few card that is not issued by Wave Crest nor Mychoice - which means that it will work worldwide. The only problem is that the card costs $162 (don't really know why).
My other choice would be the TenX card, which can be loaded with Bitcoin, Ethereum, and will support other cryptocurrencies in the future.

[1] https://wagecan.com/Pricing

You will need to use a wallet to sweep the coins from one paper wallet to the other.

If you have an phone, the best way is to download the MyCelium app and do the "cold storage" process to sweep your private keys coins to a new address. Check this video[1] if you need help;

or if you don't have a phone, import your paper wallet in Electrum and send the coins to the new paper wallet address.

[1] https://www.youtube.com/watch?v=dUS6Nrff5qY

No. You may create as many wallets/addresses as you want and don't save their private keys/backup seed.

The sole purpose of this information is to guarantee access to your wallet/address and its coins if there is any problems in the future or if you want to use them in another device. Since the wallet is empty, it doesn't matter.

Blockchain will only send you a notification when you receive a transaction. This is not the purpose of this tool. Just read the title and you will understand what is this website for.

"Get notified when your Bitcoin transaction is confirmed"

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"This website is only accessible from the United States."

I use Bitkey for my long-term storages. It's as easy as downloading and flashing the image in a flash drive, so the regular user won't have any problems with creating a safe environment without having to sacrifice their safety for convenience.

I imagine that you could download several tools for other altcoins - like MyEtherWallet - and use it in the same offline device along with the traditional Electrum wallet for BTC.

You can't do anything but send them a support ticket and wait (probably for a long time) until they answer you and maybe unfreeze your account. Poloniex has one of the worst supports I have ever seen and you need to be ready to risk waiting more than 1 month for an answer.

If you have a huge amount of money in your account (something with 6 digits), you could create a reddit thread in /r/bitcoin, which will very likely reach the front page and force them to answer you.

It's also not profitable to do faucets, but people tend to spend their day doing captchas for cents - even if it's not worth the eletricity. This kind of web mining is just an extra "income" for those that just want a few satoshis just by letting their PC idling without having to do any investment or hard work. There's a user base for everything.

That's just stupid. How can Mycelium, one of the most used BITCOIN wallets, prefers to focus on integrating Bitcoin Cash and Dash (?) instead of adding Segwit support? This + all the russian ICO bullshit are two of the main reasons why I'm uninstalling the app and starting to use Samourai for my mobile transactions.