Ephesians chapter 1, vs 7

… in our Lord and Savior Jesus Christ … we have redemption … through His blood … on the cross … which purchased for us … according to the riches of His grace … forgiveness for our sins and trespasses …

1 Peter chapter 1, vs 18 - 19

… it was not with perishable things … like silver or gold … that we have been redeemed from the empty way of life … handed down to us through each generation from our earliest ancestors … rather … we have been redeemed with the precious blood of Jesus Christ … Who is the Lamb without blemish or defect …

Revelation chapter 5, vs 9 - 10

… they sang a new song … worthy are You to take the scroll and to open its seals … for … You were slain … and … by Your blood … You have ransomed people for God from every … tribe … language … people … and … nation … so … You have made them a kingdom and priests to our God … and … they will reign on the earth … 

1 Corinthians chapter 6, vs 19 - 20

… our body is the temple of the Spirit of God ( Holy Spirit ) … He is within us … provided by God Himself … therefore … we are not our own … we have been redeemed with a price … the precious blood of Jesus Christ … so … let us glorify God in our bodies …

Ephesians chapter 4, vs 30

… we have been sealed … for the day of redemption … by the Spirit of God ( Holy Spirit ) … 

… so … the word translated as English verb … sealed … is the Greek verb … SPHRAGIZO … Strong# Greek 4972 … with the literal translation … to seal … as in to signify ownership or authorization … like a legal signature …