Sprout → Sapling
Pirate introduced Sapling in December 2018. A potential vulnerability in Sprout’s original proof system raised inflation concerns. All funds were required to cross a public turnstile to the new Sapling pool by 15 February 2019 before remaining Sprout funds were locked to ensure no counterfeit coins existed on chain.
SproutWithdrawal
TurnstileTransparent hop
SaplingShielded again
Sprout Supply Check
Sprout supply39,630,014.62129248
−Still in Sprout1,294,335.32384994
=Turnstile migration38,335,679.29744254
All public outflows accounted for
Migration evidence
Withdrawals
9Transactions · both legs
9Turnstile (ARRR)
10,469.09279572Withdrawal fees (ARRR)
0.0009#241249○ Unspent
Sprout withdrawala53977786dc9…eb032a61143.91762691 ARRR
→ Output #0 →Transparent output remains143.91752691 ARRR
#240658○ Unspent
Sprout withdrawal674a9ed66df8…bba901a94,780.5996299 ARRR
→ Output #0 →Transparent output remains4,780.5995299 ARRR
#168588○ Unspent
Sprout withdrawal19690a9a465d…cd1184195,000.0002 ARRR
→ Output #0 →Transparent output remains5,000.0001 ARRR
#161089○ Unspent
Sprout withdrawald0edf8bef8b5…02180682136.0002 ARRR
→ Output #0 →Transparent output remains136.0001 ARRR
#160772○ Unspent
#159857○ Unspent
#159284○ Unspent
Sprout withdrawalac8878c67480…8b07a2ee50.0002 ARRR
→ Output #0 →Transparent output remains50.0001 ARRR
#156888○ Unspent
Sprout withdrawal936f1aace51d…6ee7b1d850.0002 ARRR
→ Output #0 →Transparent output remains50.0001 ARRR
#154635○ Unspent
Sprout withdrawal437f7eaaab00…b1c7bf78256.57543891 ARRR
→ Output #0 →Transparent output remains256.57533891 ARRR
