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The following post by austinsec is being replicated because the post has been silently removed and some comments within it have been silently removed. The original post can be found(in censored form) at this link: np.reddit.com/ Bitcoin/comments/7mcfeu The original post's content was as follows:
What is a bitcoin faucet do do they work if yes how. Which do you recommend?
i recently started earning bitcoins from all over the internet in any way and after searching more about how to earning free satoshis i'm seeing a lot of faucet rotators. What are those? how they work? if i use the faucets sites from the rotator thing, am i a referral to someone? Thanks in advance...
[uncensored-r/Bitcoin] [Question] What is a crypto faucet?
The following post by aga523 is being replicated because the post has been silently removed. The original post can be found(in censored form) at this link: np.reddit.com/ Bitcoin/comments/7iueqd The original post's content was as follows:
What is a faucet? I see that there are several for the different cryptocurrencies. They all want you to register a wallet address to deposit. From the barebones what I see they claim to pay you trickled amounts of currency "daily". Are these too good to be true? Are they going to load malware or try using my device to farm in the background? Am I watching video or filling out surveys? Any recommendations, other than just go to market and buy currency for cash?
New to bitcoin, any clarification would be helpful. Just wondering what advantages these faucets have. Who is it advantageous too? Are there risks to these faucets? Where do the bitcoins come from? I understand the payouts are very small. Examples: http://canhasbitcoin.tk/ http://bitcointree.net/
I'd like to setup a Bitcoin Faucet on my blog but I am running on a VERY tight budget; what is a reasonable price to pay to have it developed?
The idea is to reward subscribers when they sign up for email alerts. I'm open to alternative suggestions, but the process I envision is:
User enters email and hits subscribe
Confirmation email is sent containing a newly-generated bitcoin address and link to confirm email address and transfer bitcoins. The email will also contain easy instructions on how to retrieve the bitcoins and setup a wallet (for beginners.)
Bitcoins are sent from a BTCBible address to the address generated in the email.
Final confirmation email is sent to the subscriber when the transaction is complete
You will see that this exchange has three sections. The first allows us to exchange MOONS (on the Rinkeby blockchain) to XMOONS (on the XDai blockchain, where Gas fees are paid in XDai rather than Eth). The second section allows us to exchange XMOONS for XDai. The third section allows us to exchange XDai for good old fashioned Ethereum (on the actual Ethereum blockchain).
Before we get started with any exchanging, we need to configure metamask a bit.
First up we are going to make Metamask show the MOONS that we have. To do this, change the network from 'Main Ethereum Network' to 'Rinkeby Test Network' at the top dropdown menu. Now click 'Add Token' and custom token. Now input the following:
Next we want to convert these xMoon's into xDai, however, we have to have some xDai in there in the first place to pay for the gas (remember that this xDai blockchain uses xDai to pay for gas not Eth!). To do this, buy some Dai (20 USD should do) in your favourite way (normal exchange, DeFi, etc.) and transfer it to your Metamask account Eth account (ON THE MAIN ETHEREUM BLOCKCHAIN, DON'T USE RINKEBY!). Also transfer around 10 USD worth of Eth to your metamask to cover any gas fees on the Main Ethereum Blockchain side of things.
Great, now while keeping Metamask on the Main Ethereum Blockchain, click DAI to xDAI and convert around10-20 USD.
Once this xDai has shown up (again could take a while), switch metamask back over to xDai blockchain and click xMOON to xDai (this should be fairly quick)
Now click xDai to Dai (might take a while again, don't panic like I did!)
You should now have Dai on the Ethereum blockchain held in your metamask (which you can see once you switch metamask back over to Main Ethereum)
Feel free now to do with the Dai whatever you wish! Send to an exchange and swap to BTC or Eth, keep a hold of in metamask etc etc
Please feel free to offer comments and corrections in the comments :) Edit 1: Typo fix!
Windows / Linux Guide to using Trezor with Bitcoin Core (HWI)
This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest Linux TLDR is here Unfortunately, I don't have access to a Coldcard or Ledger. I'm not sure how the setpin or -stdinpass parameters are handled on that HW.
( A ) Install TrezorCTL, HWI, and build GUI
You only need to set the wallet up once, but may repeat to upgrade
( B ) Create a Trezor wallet in Bitcoin Core (testnet)
You only need to set the wallet up once, no private key data is stored, only xpub data
( B.I ) Retrieve keypool from HWI-QT
Launch hwi-qt.exe --testnet (assuming testnet)
Click Set passphrase (if needed) to cache your passphrase then click Refresh
Select you trezor from the list then click Set Pin (if needed)
Ensure your Trezor in the dropdown has a fingerprint
Select Change keypool options and choose P2WPKH
Copy all the text from the Keypool textbox
( B.II ) Create the wallet in Bitcoin QT
Launch Bitcoin Core (testnet) (non-pruned) 2
Select Console from the Window menu
Create a wallet createwallet "hwi" true
Ensure that hwi is selected in the console wallet dropdown
Verify walletname using the getwalletinfo command
Import keypool importmulti '' (note ' caging)
Rescan if TXNs are missing rescanblockchain 3
( C.I ) Grab Tesnet coins
Select the Receive tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Select Create new receiving address and copy address
Google "bitcoin testnet faucet" and visit a few sites
Answer captcha and input your addressed copied from C.I.3
( D ) Spending funds with HWI
This is how you can spend funds in your Trezor using Bitcoin Core (testnet)
( D.I ) Create an unsigned PSBT
Select the Send tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Verify your balance in Watch-only balance
Rescan if balance is wrong (see B.II.7) 3
Craft your TXN as usual, then click Create Unsigned
Copy the PSBT to your clipboard when prompted
( D.II ) Sign your PSBT
In HWI-QT click Sign PSBT
Paste what you copied in D.I.6 in PSBT to Sign field
Click Sign PSBT
Copy the text for PSBT Result
( D.III ) Broadcast your TXN
Select the Console window in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Finalize PSBT: finalizepsbt
Copy the signed TXN hex from the hex field returned
Broadcast TXN: sendrawtransaction
I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks. There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out. Footnotes:
1. - Later version of python put the activate script under 'bin' instead of 'Script'
2. - You can run pruned, but you need to have a fresh wallet
3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
Crypto Claimer Project: An Autofaucet Worth Trying.
I'm not one to usually bother with crypto faucets as they generally pay so low that they just aren't worth the effort it takes to click them. This one however, requires such little effort that it really is the exception. Instead of powering through menial tasks like captchas to earn what amounts to be less than pennies, with this Faucet those less-than-pennies come in without you doing much of anything. Like eBesucher and the SMS receiving apps and most other forms of earning Beermoney passively, you won't earn a lot, but you will earn it for nothing. And even those pennies add up to something significant over time (especially if you are collecting your pennies from all of the passive sites/apps at the same time! This is just one more method of passively earning to add to the collection). The Crypto Claimer Project is a Telegram-based Faucet that pays you hourly without any effort from the user. Just sign up and collect the free BTC on a whim. The amount it pays varies by level, as a level 1 member you will earn 19 Satoshi per hour, rising all the way to 120,543 Satoshi per hour if you reach level 400. Going up levels is achieved by use of another currency in the form of crystals. Crystals that you can collect for free every 12 hours, buy with BTC, or gain by referring others. At the early levels, if you are just leveling up by collecting the free crystals every 12 hours, you can expect to level up every 3 days. The Project has a sister Telegram channel which all of the payments are automatically uploaded to (a sample of which can be found here), which the Project will ask you to join upon collecting your free crystals for the first time. If you are interested in joining, I'd appreciate it if you did it via this referral link.
So I've spent some time looking into various APIs and services, trying to get a basic merchant setup working usable for development, with a working testnet. The quality of the services offered and documentation is lacking, to say the least. So I've taken a step back and decided I would try to get this working from "first principles", basically setting up a node and using the related APIs. I first tried the BCHD node which was looking promising, until the testnet version of it got into a loop where it kept complaining about some invalid transactions over and over and never seemed to recover. The I tried "Bitcoin Cash Node", which is an awful name for search engines btw. It could really need a more unique and searchable name. After some struggle and careful reading of startup options and configuration files, I managed to get nodes up an running (testnet and mainnet) and in such a state that they answer to REST and JSONRPC calls. I have transferred some bitcoin on testnet to a know address, using a public "faucet" that works (also a bit hard to find). I know that I managed to get that part working, as I've successfully looked up the balance of that address using a few of the public blockchain lookup tools. What I havent' quite figured out is how to look up that address on my locally running node. Most of the API deals with transactions, not addresses. There aren't many APIs that accept addresses. scantxoutset might work, but it uses terms as "scan", which indicates it's not a "low cost" operation (which I would expect). So I'm wondering, does this really mean that most bitcoin nodes really isn't usable for looking up addresses?? Or to turn it around, can anybody recommend bitcoin cash nodes that offers an easy to use API for looking up payment related things, like addresses? Final note, I know how wallets etc work. The reason I'm trying to implement similar functionality from scratch is to understand all the details. And because a merchant typically can't just accept the current limited functionality with wallets, which seems focused on a single user's need, not what a merchant would need (gap issue etc). And fwiw, I've also tested the "bitbox" API (which does not have a working testnet) and "fullstack" API (which has a working testnet, although documentation isn't complete). So I know about other ways of doing similar stuff. I'm just trying to minimize the number of external things I need to depend on while also figuring out how this can be done straight from running nodes.
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