prevblock

Genesis

Block 0 — mined December 27, 2020

The first block of the Tidecoin chain. Paid 50 TDC to a Falcon-512 public key, with an IEEE Spectrum headline embedded in the coinbase scriptSig.

The headline embedded in the coinbase

spectrum.ieee.org 09/Dec/2020 Photonic Quantum Computer Displays ‘Supremacy’ Over Supercomputers.

Decoded from the genesis coinbase scriptSig: 04ffff001d01044c61737065637472756d2e696565652e6f72672030392f4465632f3230323020…
Article date
December 9, 2020
IEEE Spectrum coverage of the Jiuzhang photonic quantum computer result published by Pan Jianwei's group at USTC.
Block mined
December 27, 2020 19:09 UTC
18 days after the article was published.

The convention echoes Bitcoin's own genesis coinbase, which embedded “The Times 03/Jan/2009 Chancellor on brink of second bailout for banks” — a contemporary newspaper headline timestamping the chain's launch. Tidecoin's is a quantum-computing milestone from the same month it went live.

Block facts

Height
0
Hash
480ecc7602d8989f32483377ed66381c391dda6215aeef9e80486a7fd3018075
Time
2020-12-27 19:09:40 UTC
Subsidy
50.00000000 TDC
Signature scheme
Falcon-512

← Dashboard·Richlist·Threat model