The Quartening schedule (0.5, 1, 2, 4, 8 years) and the 40 TDC genesis reward were chosen so that daily emission rates synchronize exactly in July 2028 and again in July 2036.
Setting daily emissions equal gives a linear relation between Quartening count and halving count. Setting calendar times equal gives: 2ⁿ = 16n − 47.
That system has integer solutions at exactly two points.
BTC 5th halving meets TDC Q4. Both chains emit at identical rates for the first time.
BTC 7th halving meets TDC Q5. Final exact emission match before both approach terminal supply.
Both chains cap at 21M. TDC front-loaded ~50% in its first 6 months (fair launch, CPU only). By 2036, both are within ~200K of terminal supply.
Today TDC emits ~900/day vs BTC ~450/day. On Jul 2028, that gap vanishes — forever.
Forward-looking TDC inflation (~1.7%/yr) is already lower than BTC's within rounding.
"TDC now matches BTC monetary policy" becomes literally true on a specific Tuesday in 2028.
Any PQ chain can copy Falcon-512. Only Tidecoin has five years of block history on its schedule.
