diff --git a/lib/bcoin/block.js b/lib/bcoin/block.js
index f7e55475..a8a5ab0f 100644
--- a/lib/bcoin/block.js
+++ b/lib/bcoin/block.js
@@ -522,6 +522,31 @@ Block.fromJSON = function fromJSON(json) {
   return block;
 };
 
+Block.prototype.toFullJSON = function toFullJSON() {
+  return {
+    v: 1,
+    type: 'block',
+    subtype: this.subtype,
+    height: this.height,
+    network: this.network,
+    relayedBy: this.relayedBy,
+    hash: this.hash('hex'),
+    version: this.version,
+    prevBlock: this.prevBlock,
+    merkleRoot: this.merkleRoot,
+    ts: this.ts,
+    bits: this.bits,
+    nonce: this.nonce,
+    txs: this.txs.map(function(tx) {
+      return tx.toFullJSON();
+    })
+  };
+};
+
+Block.fromFullJSON = function fromFullJSON(json) {
+  return new Block(json, json.subtype);
+};
+
 Block.prototype.toRaw = function toRaw(enc) {
   var data;
 
diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 06fec87e..2bf2d814 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -386,7 +386,7 @@ Chain.prototype._preload = function _preload(callback) {
       // Filthy hack to avoid writing
       // redundant blocks to disk!
       if (height <= chainHeight) {
-        self.db._cache(entry, true);
+        self.db._cache(entry);
         self.db._populate(entry);
       } else {
         self.db.saveAsync(entry);
diff --git a/lib/bcoin/chaindb.js b/lib/bcoin/chaindb.js
index b92021c3..7f57400d 100644
--- a/lib/bcoin/chaindb.js
+++ b/lib/bcoin/chaindb.js
@@ -149,9 +149,6 @@ ChainDB.prototype.load = function load(start, callback) {
       if (err)
         return callback(err);
 
-      // Force caching
-      self._cache(entry, true);
-
       // Do some paranoid checks.
       if (lastEntry && entry.prevBlock !== lastEntry.hash)
         return done(Math.max(0, i - 2));
@@ -249,16 +246,12 @@ ChainDB.prototype.getSize = function getSize() {
   return len;
 };
 
-ChainDB.prototype._cache = function _cache(entry, force) {
-  // if (!force && this.loading)
-  //   return;
-
-  if (entry.height > this.highest) {
+ChainDB.prototype._cache = function _cache(entry) {
+  if (entry.height === this.highest + 1) {
     this.highest = entry.height;
     delete this.cache[entry.height - this._cacheWindow];
     this.cache[entry.height] = entry;
-    if (!this.loading)
-      assert(Object.keys(this.cache).length <= this._cacheWindow);
+    assert(Object.keys(this.cache).length <= this._cacheWindow);
   }
 };
 
diff --git a/lib/bcoin/http.js b/lib/bcoin/http.js
index 76c73c84..bd829e3c 100644
--- a/lib/bcoin/http.js
+++ b/lib/bcoin/http.js
@@ -104,7 +104,7 @@ HTTPServer.prototype._init = function _init() {
         return next(err);
       if (!tx)
         return send(404);
-      send(200, tx.toJSON());
+      send(200, tx.toFullJSON());
     });
   });
 
@@ -116,7 +116,7 @@ HTTPServer.prototype._init = function _init() {
         return next(err);
       if (!txs.length)
         return send(404);
-      send(200, txs.map(function(tx) { return tx.toJSON(); }));
+      send(200, txs.map(function(tx) { return tx.toFullJSON(); }));
     });
   });
 
@@ -127,7 +127,7 @@ HTTPServer.prototype._init = function _init() {
         return next(err);
       if (!txs.length)
         return send(404);
-      send(200, txs.map(function(tx) { return tx.toJSON(); }));
+      send(200, txs.map(function(tx) { return tx.toFullJSON(); }));
     });
   });
 
@@ -138,7 +138,7 @@ HTTPServer.prototype._init = function _init() {
         return next(err);
       if (!block)
         return send(404);
-      send(200, block.toJSON());
+      send(200, block.toFullJSON());
     });
   });
 
diff --git a/lib/bcoin/input.js b/lib/bcoin/input.js
index 6e3c4e76..4dd78e82 100644
--- a/lib/bcoin/input.js
+++ b/lib/bcoin/input.js
@@ -365,6 +365,27 @@ Input.prototype.inspect = function inspect() {
   };
 };
 
+Input.prototype.toJSON = function toJSON() {
+  return {
+    prevout: {
+      hash: this.prevout.hash,
+      index: this.prevout.index
+    },
+    output: this.output ? this.output.toJSON() : null,
+    script: utils.toHex(bcoin.script.encode(this.script)),
+    sequence: this.sequence
+  };
+};
+
+Input.fromJSON = function fromJSON(json) {
+  return new Input({
+    prevout: json.prevout,
+    output: json.output,
+    script: bcoin.script.decode(utils.toArray(json.script, 'hex')),
+    sequence: json.sequence
+  });
+};
+
 /**
  * Expose
  */
diff --git a/lib/bcoin/output.js b/lib/bcoin/output.js
index 218ba644..706566be 100644
--- a/lib/bcoin/output.js
+++ b/lib/bcoin/output.js
@@ -259,6 +259,20 @@ Output.prototype.inspect = function inspect() {
   };
 };
 
+Output.prototype.toJSON = function toJSON() {
+  return {
+    value: utils.btc(this.value),
+    script: utils.toHex(bcoin.script.encode(this.script))
+  };
+};
+
+Output.fromJSON = function fromJSON(json) {
+  return new Output({
+    value: utils.satoshi(json.value),
+    script: bcoin.script.decode(utils.toArray(json.script, 'hex'))
+  });
+};
+
 /**
  * Expose
  */
diff --git a/lib/bcoin/tx.js b/lib/bcoin/tx.js
index 6df733d6..05f108dd 100644
--- a/lib/bcoin/tx.js
+++ b/lib/bcoin/tx.js
@@ -1822,6 +1822,49 @@ TX.prototype.toJSON = function toJSON(coins) {
   };
 };
 
+TX.prototype.toFullJSON = function toFullJSON() {
+  return {
+    v: 1,
+    type: 'tx',
+    ts: this.ts,
+    ps: this.ps,
+    block: this.block,
+    height: this.height,
+    network: this.network,
+    relayedBy: this.relayedBy,
+    changeIndex: this.changeIndex,
+    version: this.version,
+    inputs: this.inputs.map(function(input) {
+      return input.toJSON();
+    }),
+    outputs: this.outputs.map(function(output) {
+      return output.toJSON();
+    }),
+    locktime: this.locktime
+  };
+};
+
+TX.fromFullJSON = function fromFullJSON(json) {
+  return new TX({
+    ts: json.ts,
+    ps: json.ps,
+    block: json.block,
+    height: json.height,
+    network: json.network,
+    relayedBy: json.relayedBy,
+    changeIndex: json.changeIndex,
+    version: json.version,
+    inputs: json.inputs.map(function(input) {
+      return bcoin.input.fromJSON(input);
+    }),
+    outputs: json.outputs.map(function(output) {
+      return bcoin.output.fromJSON(output);
+    }),
+    locktime: json.locktime
+  });
+};
+
+
 TX.fromJSON = function fromJSON(json) {
   var raw, data, tx;