_bitcoin-diceware-on-a-ti-89-graphing-calculator.jpg "Bitcoin diceware on a TI-89 graphing calculator from the ti Video Screenshot Preview")
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⏲ Duration: 79 sec
✓ Published: 01-Apr-2015
✓ Published: 01-Apr-2015
Description:
I wrote a program for the TI-89 graphing calculator to read die rolls from the user, convert them into a Bitcoin private key via base conversion, and derive the public Bitcoin address. Elliptic-curve point multiplication is dog slow on the TI-89's Motorola 68000 processor, but it's just math, so of course it still works. (The computation of the public key is shown in this video at 10x speed.)nnUPDAT3 2024-03-03: I changed the output address format to P2WPKH (SegWit v0, Bech32).nnThe program in w
I wrote a program for the TI-89 graphing calculator to read die rolls from the user, convert them into a Bitcoin private key via base conversion, and derive the public Bitcoin address. Elliptic-curve point multiplication is dog slow on the TI-89's Motorola 68000 processor, but it's just math, so of course it still works. (The computation of the public key is shown in this video at 10x speed.)nnUPDAT3 2024-03-03: I changed the output address format to P2WPKH (SegWit v0, Bech32).nnThe program in w
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