# [Ride v4 and v3] Decoding functions

⚠️ This is the documentation for the Standard library version 4 and 3. We recommend to use version 5. Go to version 5

Name	Description	Complexity
addressFromString(String): Address\|Unit	Decodes address from base58 (opens new window) string	124 for Standard Library version 3 1 for Standard Library version 4
addressFromStringValue(String): Address	Decodes address from base58 string. Fails if the address cannot be decoded	124 for Standard Library version 3 1 for Standard Library version 4
fromBase16String(String): ByteVector	Decodes base16 (opens new window) string to an array of bytes	10
fromBase58String(String): ByteVector	Decodes base58 string to an array of bytes	10 for Standard Library version 3 1 for Standard Library version 4
fromBase64String(String): ByteVector	Decodes base64 (opens new window) string to an array of bytes	10 for Standard Library version 3 40 for Standard Library version 4

Decodes address from base58 (opens new window) string.

addressFromString(string: String): Address|Unit

For a description of the return value, see the Address article.

Parameter	Description
`string`: String	String to decode

let address = addressFromString("3NADPfTVhGvVvvRZuqQjhSU4trVqYHwnqjF")

# addressFromStringValue(String): Address

Decodes address from base58 (opens new window) string.

Fails if the address cannot be decoded.

addressFromStringValue(string: String): Address

For a description of the return value, see the Address article.

Parameter	Description
`string`: String	String to decode

let address = addressFromStringValue("3NADPfTVhGvVvvRZuqQjhSU4trVqYHwnqjF")

Decodes a base16 (opens new window) string to an array of bytes.

fromBase16String(str: String): ByteVector

Parameter	Description
`str`: String	String to decode

let bytes = fromBase16String("52696465")

Decodes a base58 (opens new window) string to an array of bytes.

fromBase58String(str: String): ByteVector

Parameter	Description
`str`: String	String to decode

let bytes = fromBase58String("37BPKA")

Decodes a base64 (opens new window) string to an array of bytes.

fromBase64String(str: String): ByteVector

Parameter	Description
`str`: String	String to decode

let bytes = fromBase64String("UmlkZQ==")