3开头的地址比较占用空间吗

foxmen

平时的 1对2不都是 226bytes左右吗 怎么有3开头的地址373了


https://blockchain.info/tx/aca0f ... 7048bb4e6b8ede02e7e

Transaction View information about a bitcoin transaction

aca0fad95d744ba0f3da38e8f5bf8df88cd093c0d1fd17048bb4e6b8ede02e7e
3NU51nXis9d98P5rP9pPhfCDdkVHxTfAkh (49.0907 BTC - Output)		1NfhUF8eKNgwdHtKFP6oj8ntmKUTP35kut - (Spent) 12.0515 BTC 3KCmzLGy***yArJwTd1CQvLgtuWuiVDDJT - (Spent) 37.0387 BTC

49.0902 BTC

Summary
Size	373 (bytes)
Received Time	2017-02-06 16:26:48
Included In Blocks	451836 ( 2017-02-06 16:39:37 + 13 minutes )
Confirmations	121 Confirmations
Relayed by IP	5.9.156.134 (whois)
Visualize	View Tree Chart

Inputs and Outputs
Total Input	49.0907 BTC
Total Output	49.0902 BTC
Fees	0.0005 BTC
Estimated BTC Transacted	12.0515 BTC
Scripts	Hide scripts & coinbase