Bitcoin

El Salvador has announced that they’re making Bitcoin legal tender in their country. This means Salvadorans can pay their taxes in BTC, merchants have to accept it, and there’s no capital gains tax.

Exchanges where you can buy and/or sell bitcoin using Lightning network

This was a demonstration of using Bitcoin on Lightning Network ⚡ for a retail / Point of Sale (POS) transaction. This occurred during the Bitcoin 2021 conference in Miami last week.

The demonstration shows the "customer" scanning a QR code from the cashier's tablet, and paying the Lightning network (LN) invoice.

The customer didn't hold bitcoin. The wallet app (Lastbit) paid the LN invoice using the customer's bank debit card (on file with Lastbit).

The merchant in this instance was also using Lastbit, and in this case, the proceeds of the sale (bitcoin on Lightning network) are converted to dollars on arrival (which is an option available to the merchant).

The merchant doesn't need to use Lastbit. They could be using a self-hosted BTCPay Server, for instance, and never touch dollars. But to show how LN can work well for retail payments, the merchant in this instance is receiving payment in fiat -- which many merchants choose to do (for now, until their vendors, employees, etc. also accept bitcoin).

Source: Tweet by LastBit.

Out of 57 Casascius S1-BAR-100 "physical bitcoins" issued, only 8 remain unredeemed.

Each Casascius S1-BAR-100 bar!has (or had, if redeemed) 100 BTC.

#Bitcoin

Looking at the evolution of energy costs / revenues of miners, we show that the energy consumption will double again, to reach the electricity consumption of Australia.

Decent article on lending bitcoin, altcoins, or stablecoins out. The conclusion at the bottom is the money shot:

"At the end of the day, DeFi is still a far more dangerous spot to park your money with risks not well-understood by the average investor. All DeFi protocols run the risk of software bugs and/or copycats that can, in the worst case, drain liquidity completely. In addition, there is obviously no FDIC insurance protecting the deposits."

Bitcoin is the worst waste of resources and energy in human history. It is solely used for financial speculation, with no genuine utility.

This is a call to ethical hackers: through targeted and repeated computer attacks, we could undermine the confidence of speculators and burst this irrational and destructive financial bubble.

mostly btc. accepting any amount with low transaction fees.
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A payment layer like bitcoin can be used for more than traditional payments. It can be used to do fun things like interacting with a website by doing transactions.

You can make paywalls, set bounties, create tip-bots which can tip small amounts of bitcoin

The fact you can send money to anyone in this world instantly with a reddit comment or a tweet is what makes this technology truly powerful.

Any action going on ? Last post is 8M ago :( Any people interested in reviving community ?