/data merge block [pos] {Lock:"[password]"}

[pos] means the position of the dropper (you need to place it down first)

[password] means the password to unlock it (if you want it permanently locked just spam a bunch of random chars)

to change the password, do the same command but with a different Lock key value

/data merge block [pos] {Lock:"[password]"}

• [pos] means the position of the dropper (you need to place it down first)

• [password] means the password to unlock it (if you want it permanently locked just spam a bunch of random chars)

To change the password, do the same command but with a different Lock key value.

/data merge block  {Lock:""}

means the position of the dropper (you need to place it down first)

means the password to unlock it (if you want it permanently locked just spam a bunch of random chars)

to change the password, do the same command but with a different Lock key value

/data merge block [pos] {Lock:"[password]"}

[pos] means the position of the dropper (you need to place it down first)

[password] means the password to unlock it (if you want it permanently locked just spam a bunch of random chars)

to change the password, do the same command but with a different Lock key value