Using +OP_IF+, you ((("scripts", "MAST", id="script-mast")))((("MAST (merklized alternative script trees)", id="mast")))((("merkle trees", "MAST", id="merkle-tree-mast")))can authorize multiple different spending conditions,
Using +OP_IF+, you ((("scripts", "MAST", id="script-mast")))((("MAST (merklized alternative script trees)", id="mast-ch7")))((("merkle trees", "MAST", id="merkle-tree-mast")))can authorize multiple different spending conditions,
but this approach has several undesirable aspects:
Weight (cost)::
@ -1719,7 +1719,7 @@ image::images/mbc3_0709.png["An alternative script tree"]
Alternative script trees only require revealing one 32-byte digest for
each level of depth between the spender's chosen script and the root of
the tree. For most scripts, this is a much more efficient use of space
in the((("scripts", "MAST", startref="script-mast")))((("MAST (merklized alternative script trees)", startref="mast")))((("merkle trees", "MAST", startref="merkle-tree-mast"))) blockchain.
in the((("scripts", "MAST", startref="script-mast")))((("MAST (merklized alternative script trees)", startref="mast-ch7")))((("merkle trees", "MAST", startref="merkle-tree-mast"))) blockchain.