According to Whale Alert, an on-chain data tracking service, a dormant address containing 10 BTC ($1,023,075) was just activated after 12.5 years (worth $50 in 2012).
According to Whale Alert, an on-chain data tracking service, a dormant address containing 50 BTC ($5,160,551) was just activated after 13.0 years (worth $219 in 2011).
According to Whale Alert, an on-chain data tracking service, a dormant address containing 2,700 BTC ($254,427,670) was just activated after 11.0 years (worth $1,735,242 in 2013).