diff --git a/lib/bcoin/block.js b/lib/bcoin/block.js
index d6c75aa6..3e8987c0 100644
--- a/lib/bcoin/block.js
+++ b/lib/bcoin/block.js
@@ -692,6 +692,31 @@ Block.fromJSON = function fromJSON(json) {
   return block;
 };
 
+Block.prototype.toRaw = function toRaw(enc) {
+  var data;
+
+  assert(this.subtype === 'block');
+
+  if (this.network && this._raw && this._raw.length > 80)
+    data = this._raw;
+  else
+    data = new Buffer(this.render());
+
+  if (enc === 'hex')
+    data = utils.toHex(data);
+
+  return data;
+};
+
+Block.fromRaw = function fromRaw(data, enc) {
+  var parser = new bcoin.protocol.parser();
+
+  if (enc === 'hex')
+    data = utils.toArray(data, 'hex');
+
+  return new Block(parser.parseBlock(data), 'block');
+};
+
 /**
  * Expose
  */
diff --git a/lib/bcoin/coin.js b/lib/bcoin/coin.js
index 5338b9e3..df439fac 100644
--- a/lib/bcoin/coin.js
+++ b/lib/bcoin/coin.js
@@ -139,9 +139,9 @@ Coin.prototype.toRaw = function toRaw(enc) {
     height = 0xffffffff;
 
   utils.copy(utils.toArray(this.hash, 'hex'), data, 0);
-  utils.writeU32BE(data, this.index, 32);
-  utils.writeU32BE(data, height, 36);
-  utils.write64BE(data, this.value, 40);
+  utils.writeU32(data, this.index, 32);
+  utils.writeU32(data, height, 36);
+  utils.write64(data, this.value, 40);
   utils.copy(script, data, 48);
 
   if (enc === 'hex')
@@ -156,16 +156,16 @@ Coin.fromRaw = function fromRaw(data, enc) {
   if (enc === 'hex')
     data = utils.toArray(data, 'hex');
 
-  height = utils.readU32BE(data, 36);
+  height = utils.readU32(data, 36);
 
   if (height === 0xffffffff)
     height = -1;
 
   return new Coin({
     hash: utils.toHex(data.slice(0, 32)),
-    index: utils.readU32BE(data, 32),
+    index: utils.readU32(data, 32),
     height: height,
-    value: utils.read64BE(data, 40),
+    value: utils.read64(data, 40),
     script: bcoin.script.decode(utils.toArray(data.slice(48)))
   });
 };
diff --git a/lib/bcoin/protocol/parser.js b/lib/bcoin/protocol/parser.js
index ed4171ff..9bfc8080 100644
--- a/lib/bcoin/protocol/parser.js
+++ b/lib/bcoin/protocol/parser.js
@@ -281,7 +281,7 @@ Parser.prototype.parseMerkleBlock = function parseMerkleBlock(p) {
     totalTX: utils.readU32(p, 80),
     hashes: hashes,
     flags: flags,
-    _raw: p.slice(0, 80),
+    _raw: p,
     _size: p.length
   };
 };
diff --git a/lib/bcoin/tx.js b/lib/bcoin/tx.js
index 909d5a1f..036afe93 100644
--- a/lib/bcoin/tx.js
+++ b/lib/bcoin/tx.js
@@ -1827,18 +1827,26 @@ TX.fromJSON = function fromJSON(json) {
 };
 
 TX.prototype.toRaw = function toRaw(enc) {
-  var raw = this.render();
+  var data;
+
+  if (this.network && this._raw)
+    data = this._raw;
+  else
+    data = new Buffer(this.render());
 
   if (enc === 'hex')
-    return utils.toHex(raw);
+    data = utils.toHex(data);
 
-  return raw;
+  return data;
 };
 
-TX.fromRaw = function fromRaw(raw, enc) {
+TX.fromRaw = function fromRaw(data, enc) {
+  var parser = new bcoin.protocol.parser();
+
   if (enc === 'hex')
-    raw = utils.toArray(raw, 'hex');
-  return new bcoin.tx(new bcoin.protocol.parser().parseTX(raw));
+    data = utils.toArray(data, 'hex');
+
+  return new bcoin.tx(parser.parseTX(data));
 };
 
 /**