[Reprint]8 reasons to turn down the transmit power of your Wi-Fi

By default almost all WiFi access points transmit at full power (100mW on 2.4GHz). This gives maximum coverage and users see a good signal (“full bars”). However, there are good reasons to turn down the transmit power to a fraction of the maximum. It even makes sense to start with minimum power and increase it […]

We successfully changed the website server

Due to the aging of the previous server, we were unable to process our orders, including being unable to view and change the order status. We recently completed a website server replacement.

Bitcoin Address Generation Algorithm

Step 1: is to randomly select a 32 byte number with a size between 1 and 0xFFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFE BAAE DCE6 AF48 A03B BFD2 5E8C D036 4141 as the private key18e14a7b6a307f426a94f8114701e7c8e774e7f9a47e2c2035db29a206321725 Step 2, use the elliptic curve encryption algorithm (ECDSA-SECP256k1) to calculate the uncompressed public key corresponding to the private […]