hello coinvader.

Do you already have the server to host the faucet, or you will need one?

You don't need to reinvent the wheel, there are a lot of faucet codes on GitHub, and you could install one of those in your server. If you want send me your Telegram user name on PM and we can talk about your project. I can help you with this.

Heres an idea:  making T of the vertical strokes

Hello, I'm sorry, but I probably can't help you. My faucet is a closed solution (security).
You could try to find some faucet on github (if there is one).
But personally, I don't think you want to run a faucet, it probably won't even make you money to run, and donations are rather exceptional.

It's not SUPPOSED to have value, that is true, but it's still a functioning PoW chain which means you need electricity, hardware and money to mine. If it had NO value then faucets would give away 100 coins for free, but they don't because it costs money to mine, and it's not easy to obtain large amounts when you need a modern ASIC to mine testnet.

I ran a BTC faucet from 2014-15, giving away free bitcoin in exchange for ad revenue. That didn't mean bitcoin had no value and that's the same trade testnet faucets are making today.

The low payout of faucets is a problem. Saying you don't need larger amounts for testing is a myth repeated by many. Bitcointalk runs on PHP and MySQL and a large portion of the web still does. MySQL's max integer limit is 2,147,483,647, and it's best practice to store bitcoin amounts in satoshis, not floats. Therefore you need at least 21.48 tBTC to test your database and all aspects of your site and/or connected apps can handle integers larger than 32 bits.  Is a deposit larger than 21.47 BTC likely? Probably not on most sites, but it's not impossible, and that's the last order you want to screw up when you switch your site to mainnet because you didn't test your site properly.

Devs aren't the only ones needing larger amounts, so do bitcoin companies. When exchanges and bitcoin companies do technical tests for their new hires, they use tBTC and they don't use 0.0012 faucet amounts, they use full coins. I can speak from personal experience.  

Instead of shaming people with false narratives some devs like Jameson Lopp understand the need for larger amounts and will gift larger sums to other devs, but he doesn't have an endless amount to give away. Not everyone is generous as Jameson and larger sums are now being loaned and/or sold by others so users can get the amount they want/need.

Okay, so the actual use-case is to use a separate fiat-value which most wallets do is just stamp the value of mainnet to testnet.
(which is reasonable considering testnet has no "real" price)

Without questioning the rationale to that (I saw your other posts), it's quite doable by dirty-editing the price ticker APIs set by your favorite wallet.

For example, in Electrum's "exchange_rate.py" script; editing any USD price class to an API that supports testnet should show you the testnet price when that ticker is selected.
For example; from Bitpay's mainnet API to coinpaprika's testnet API:

Then, by selecting Bitpay in the GUI's menu: "Tools->Preferences->Fiat", Fiat Currency: "USD" Source: "Bitpay"
It will show testnet price based from coinpaprika's API (link) instead (but will also apply to mainnet):


If you really want it, edit the mentioned code and compile it yourself: github.com/spesmilo/electrum/blob/master/README.md#creating-binaries
I run Electrum from source to test it as quickly as possible BTW, so I don't have a compiled binary.

Mining on testnet is already a losers game. The reward is too low, and you need an ASIC if you don't want to wait for the 20 minute difficulty reset to 1. And even then if you get lucky you only are rewarded 0.012tBTC plus fees.

You'll spend more than 4 days with an S19 to mine a single tBTC not to mention the energy cost at 3,250 watts.  It's MUCH cheaper to buy testnet coins. Testnet coins would have to be worth around $30/40 per coin to make mining on testnet worth the energy and hardware costs.

Here's a bitcoin testnet mining calculator: https://buytestnet.com/bitcoin-testnet-mining-calculator.php

If you don't mind Android wallet, check https://play.google.com/store/apps/details?id=de.schildbach.wallet_test. Other than that, i don't know anyone else who bother create testnet-only version of their Bitcoin wallet sofrware.