




Two high quality industrial computer keyboards NSI KSTL 105 and quality brass wires .
Wires are like transaction waves,and keyboards are like Satoshi and Hal.
https://www.youtube.com/watch?v=S6U3rkjsdj8
The upper keyboard is sensor active,everytime when night fall or light in room is switch off.
Lower keyboard is always lightning ,and when you switch the light off,the upper keyboard will activate few seconds later.
It is like "a transaction is confirmed" phraze,and also every day makes this art sculpture "alive".
https://www.youtube.com/watch?v=U30t5k_YDBA