diff --git a/lib/blockchain/chain.js b/lib/blockchain/chain.js
index 6ab9a9d8..287e011b 100644
--- a/lib/blockchain/chain.js
+++ b/lib/blockchain/chain.js
@@ -21,7 +21,6 @@ var assert = require('assert');
 var errors = require('../btc/errors');
 var VerifyError = errors.VerifyError;
 var VerifyResult = errors.VerifyResult;
-var time = require('../net/time');
 var co = require('../utils/co');
 
 /**
@@ -279,6 +278,7 @@ Chain.prototype.isGenesis = function isGenesis(block) {
 
 Chain.prototype.verify = co(function* verify(block, prev) {
   var ret = new VerifyResult();
+  var now = this.network.now();
   var i, err, height, ts, tx, medianTime;
   var commit, ancestors, state;
 
@@ -286,7 +286,7 @@ Chain.prototype.verify = co(function* verify(block, prev) {
   if (this.isGenesis(block))
     return this.state;
 
-  if (!block.verify(ret)) {
+  if (!block.verify(now, ret)) {
     err = new VerifyError(block,
       'invalid',
       ret.reason,
@@ -1199,6 +1199,7 @@ Chain.prototype.add = co(function* add(block) {
 
 Chain.prototype._add = co(function* add(block) {
   var ret = new VerifyResult();
+  var now = this.network.now();
   var initial = true;
   var hash, prevBlock, height, checkpoint;
   var orphan, entry, existing, prev;
@@ -1248,7 +1249,7 @@ Chain.prototype._add = co(function* add(block) {
     // This is only necessary for new
     // blocks coming in, not the resolving
     // orphans.
-    if (initial && !block.verify(ret)) {
+    if (initial && !block.verify(now, ret)) {
       if (ret.reason === 'high-hash')
         this.invalid[hash] = true;
       this.emit('invalid', block, block.getCoinbaseHeight());
@@ -1840,7 +1841,7 @@ Chain.prototype.getTarget = function getTarget(block, prev, ancestors) {
   if ((prev.height + 1) % pow.retargetInterval !== 0) {
     if (pow.difficultyReset) {
       // Special behavior for testnet:
-      ts = block ? (block.ts || block) : time.now();
+      ts = block ? (block.ts || block) : this.network.now();
       if (ts > prev.ts + pow.targetSpacing * 2)
         return pow.bits;
 
@@ -2123,7 +2124,7 @@ Chain.prototype.checkFinal = co(function* checkFinal(prev, tx, flags) {
     return tx.isFinal(height, ts);
   }
 
-  return tx.isFinal(height, time.now());
+  return tx.isFinal(height, this.network.now());
 });
 
 /**
diff --git a/lib/env.js b/lib/env.js
index 57e3ef89..acffe9cc 100644
--- a/lib/env.js
+++ b/lib/env.js
@@ -165,7 +165,6 @@ function Environment() {
   this.require('peer', './net/peer');
   this.require('pool', './net/pool');
   this.require('tcp', './net/tcp');
-  this.require('time', './net/time');
 
   // Node
   this.require('node', './node');
@@ -195,6 +194,7 @@ function Environment() {
   this.require('constants', './protocol/constants');
   this.require('network', './protocol/network');
   this.require('networks', './protocol/networks');
+  this.require('timedata', './protocol/timedata');
 
   // Script
   this.require('scripting', './script'); // -> scripting?
@@ -254,7 +254,7 @@ Environment.prototype.set = function set(options) {
  */
 
 Environment.prototype.now = function now() {
-  return this.time.now();
+  return this.network.primary.now();
 };
 
 /**
diff --git a/lib/http/rpc.js b/lib/http/rpc.js
index 43530114..3a65cba9 100644
--- a/lib/http/rpc.js
+++ b/lib/http/rpc.js
@@ -12,7 +12,6 @@ var crypto = require('../crypto/crypto');
 var assert = require('assert');
 var constants = require('../protocol/constants');
 var ec = require('../crypto/ec');
-var time = require('../net/time');
 var Amount = require('../btc/amount');
 var NetworkAddress = require('../primitives/netaddress');
 var Script = require('../script/script');
@@ -323,7 +322,7 @@ RPC.prototype.getinfo = co(function* getinfo(args) {
     walletversion: 0,
     balance: Amount.btc(balance.unconfirmed, true),
     blocks: this.chain.height,
-    timeoffset: time.offset,
+    timeoffset: this.network.time.offset,
     connections: this.pool.peers.all.length,
     proxy: '',
     difficulty: this._getDifficulty(),
@@ -375,7 +374,7 @@ RPC.prototype.getnetworkinfo = function getnetworkinfo(args) {
     subversion: constants.USER_AGENT,
     protocolversion: constants.VERSION,
     localservices: this.pool.services,
-    timeoffset: time.offset,
+    timeoffset: this.network.time.offset,
     connections: this.pool.peers.all.length,
     networks: [],
     relayfee: Amount.btc(this.network.getMinRelay(), true),
@@ -1242,6 +1241,7 @@ RPC.prototype.gettxoutproof = co(function* gettxoutproof(args) {
 });
 
 RPC.prototype.verifytxoutproof = co(function* verifytxoutproof(args) {
+  var now = this.network.now();
   var res = [];
   var i, block, hash, entry;
 
@@ -1250,7 +1250,7 @@ RPC.prototype.verifytxoutproof = co(function* verifytxoutproof(args) {
 
   block = MerkleBlock.fromRaw(toString(args[0]), 'hex');
 
-  if (!block.verify())
+  if (!block.verify(now))
     return res;
 
   entry = yield this.chain.db.getEntry(block.hash('hex'));
@@ -1311,6 +1311,7 @@ RPC.prototype._submitwork = co(function* _submitwork(data) {
 });
 
 RPC.prototype.__submitwork = co(function* _submitwork(data) {
+  var now = this.network.now();
   var attempt = this.attempt;
   var block, header, cb, cur;
 
@@ -1332,7 +1333,7 @@ RPC.prototype.__submitwork = co(function* _submitwork(data) {
     return false;
   }
 
-  if (!header.verify())
+  if (!header.verify(now))
     return false;
 
   cb = this.coinbase[header.merkleRoot];
@@ -1620,7 +1621,7 @@ RPC.prototype.__template = co(function* _template(version, coinbase, rules) {
     target: util.revHex(attempt.target.toString('hex')),
     submitold: false,
     mintime: block.ts,
-    maxtime: time.now() + 2 * 60 * 60,
+    maxtime: this.network.now() + 2 * 60 * 60,
     mutable: mutable,
     noncerange: '00000000ffffffff',
     sigoplimit: attempt.witness
@@ -2637,8 +2638,9 @@ RPC.prototype.setmocktime = function setmocktime(args) {
   if (ts < 0)
     return Promise.reject(new RPCError('Invalid parameter.'));
 
-  delta = time.now() - ts;
-  time.offset = -delta;
+  delta = this.network.now() - ts;
+
+  this.network.time.offset = -delta;
 
   return Promise.resolve();
 };
@@ -4010,6 +4012,7 @@ RPC.prototype.walletpassphrase = co(function* walletpassphrase(args) {
 });
 
 RPC.prototype.importprunedfunds = co(function* importprunedfunds(args) {
+  var now = this.network.now();
   var tx, block, label, height;
 
   if (args.help || args.length < 2 || args.length > 3) {
@@ -4029,7 +4032,7 @@ RPC.prototype.importprunedfunds = co(function* importprunedfunds(args) {
   if (args.length === 3)
     label = toString(args[2]);
 
-  if (!block.verify())
+  if (!block.verify(now))
     throw new RPCError('Invalid proof.');
 
   if (!block.hasTX(tx))
diff --git a/lib/http/server.js b/lib/http/server.js
index f7654d4f..7eb6dd4e 100644
--- a/lib/http/server.js
+++ b/lib/http/server.js
@@ -26,7 +26,6 @@ var Outpoint = require('../primitives/outpoint');
 var HD = require('../hd/hd');
 var Script = require('../script/script');
 var crypto = require('../crypto/crypto');
-var time = require('../net/time');
 var con = co.con;
 var RPC;
 
@@ -588,8 +587,8 @@ HTTPServer.prototype._init = function _init() {
       mempoolSize: size,
       uptime: Math.floor(util.uptime()),
       systemTime: util.now(),
-      adjustedTime: time.now(),
-      timeOffset: time.offset,
+      adjustedTime: this.network.now(),
+      timeOffset: this.network.time.offset,
       memory: getMemory()
     });
   });
diff --git a/lib/mining/miner.js b/lib/mining/miner.js
index 3bc575c8..9c4bd6cc 100644
--- a/lib/mining/miner.js
+++ b/lib/mining/miner.js
@@ -14,7 +14,6 @@ var constants = require('../protocol/constants');
 var AsyncObject = require('../utils/async');
 var MinerBlock = require('./minerblock');
 var Address = require('../primitives/address');
-var time = require('../net/time');
 
 /**
  * A bitcoin miner (supports mining witness blocks).
@@ -313,7 +312,7 @@ Miner.prototype.createBlock = co(function* createBlock(tip, address) {
 
   assert(tip);
 
-  ts = Math.max(time.now(), tip.ts + 1);
+  ts = Math.max(this.network.now(), tip.ts + 1);
   locktime = ts;
 
   target = yield this.chain.getTargetAsync(ts, tip);
diff --git a/lib/mining/minerblock.js b/lib/mining/minerblock.js
index 76128162..5d0add6c 100644
--- a/lib/mining/minerblock.js
+++ b/lib/mining/minerblock.js
@@ -11,7 +11,6 @@ var assert = require('assert');
 var util = require('../utils/util');
 var btcutils = require('../btc/utils');
 var co = require('../utils/co');
-var crypto = require('../crypto/crypto');
 var constants = require('../protocol/constants');
 var Network = require('../protocol/network');
 var BN = require('bn.js');
@@ -20,7 +19,6 @@ var TX = require('../primitives/tx');
 var Block = require('../primitives/block');
 var Input = require('../primitives/input');
 var Output = require('../primitives/output');
-var time = require('../net/time');
 var mine = require('./mine');
 var workerPool = require('../workers/workerpool').pool;
 
@@ -113,7 +111,7 @@ MinerBlock.prototype._init = function _init() {
   block.version = this.version;
   block.prevBlock = this.tip.hash;
   block.merkleRoot = constants.NULL_HASH;
-  block.ts = Math.max(time.now(), this.tip.ts + 1);
+  block.ts = Math.max(this.network.now(), this.tip.ts + 1);
   block.bits = this.bits;
   block.nonce = 0;
   block.height = this.height;
@@ -223,7 +221,7 @@ MinerBlock.prototype.updateCoinbase = function updateCoinbase() {
  */
 
 MinerBlock.prototype.updateNonce = function updateNonce() {
-  this.block.ts = Math.max(time.now(), this.tip.ts + 1);
+  this.block.ts = Math.max(this.network.now(), this.tip.ts + 1);
 
   // Overflow the nonce and increment the extraNonce.
   this.block.nonce = 0;
@@ -249,7 +247,7 @@ MinerBlock.prototype.updateMerkle = function updateMerkle() {
     this.updateCommitment();
 
   // Update timestamp.
-  this.block.ts = Math.max(time.now(), this.tip.ts + 1);
+  this.block.ts = Math.max(this.network.now(), this.tip.ts + 1);
 
   // Recalculate merkle root.
   this.block.merkleRoot = this.block.createMerkleRoot('hex');
@@ -430,7 +428,7 @@ MinerBlock.prototype.mineAsync = co(function* mineAsync() {
 MinerBlock.prototype.iterate = function iterate() {
   var block = this.block;
   var tip = this.tip;
-  var now = time.now();
+  var now = this.network.now();
 
   // Keep track of our iterations.
   this.iterations++;
diff --git a/lib/net/bip152.js b/lib/net/bip152.js
index d486c12c..ac174ae3 100644
--- a/lib/net/bip152.js
+++ b/lib/net/bip152.js
@@ -52,8 +52,8 @@ function CompactBlock(options) {
 
 util.inherits(CompactBlock, AbstractBlock);
 
-CompactBlock.prototype._verify = function _verify(ret) {
-  return this.verifyHeaders(ret);
+CompactBlock.prototype._verify = function _verify(now, ret) {
+  return this.verifyHeaders(now, ret);
 };
 
 CompactBlock.prototype.fromOptions = function fromOptions(options) {
diff --git a/lib/net/packets.js b/lib/net/packets.js
index 31c0794a..c973568d 100644
--- a/lib/net/packets.js
+++ b/lib/net/packets.js
@@ -11,7 +11,6 @@ var constants = require('../protocol/constants');
 var util = require('../utils/util');
 var assert = require('assert');
 var crypto = require('../crypto/crypto');
-var time = require('./time');
 var ec = require('../crypto/ec');
 var Bloom = require('../utils/bloom');
 var bip152 = require('./bip152');
@@ -118,7 +117,7 @@ function VersionPacket(options) {
 
   this.version = constants.VERSION;
   this.services = constants.LOCAL_SERVICES;
-  this.ts = time.now();
+  this.ts = util.now();
   this.recv = new NetworkAddress();
   this.from = new NetworkAddress();
   this.nonce = constants.ZERO_U64;
@@ -517,7 +516,7 @@ function AlertPacket(options) {
 
   Packet.call(this);
 
-  ts = time.now() + 7 * 86400;
+  ts = util.now() + 7 * 86400;
 
   this.version = 1;
   this.relayUntil = ts;
diff --git a/lib/net/peer.js b/lib/net/peer.js
index afa665d2..cc209e1c 100644
--- a/lib/net/peer.js
+++ b/lib/net/peer.js
@@ -26,7 +26,6 @@ var BIP150 = require('./bip150');
 var BIP152 = require('./bip152');
 var Block = require('../primitives/block');
 var TX = require('../primitives/tx');
-var time = require('./time');
 
 /**
  * Represents a remote peer.
@@ -661,7 +660,7 @@ Peer.prototype.sendVersion = function sendVersion() {
   var packet = new packets.VersionPacket({
     version: constants.VERSION,
     services: this.pool.services,
-    ts: time.now(),
+    ts: this.network.now(),
     recv: new NetworkAddress(),
     from: this.pool.address,
     nonce: this.pool.localNonce,
@@ -1864,11 +1863,18 @@ Peer.prototype._handleNotFound = function _handleNotFound(packet) {
  */
 
 Peer.prototype._handleAddr = function _handleAddr(packet) {
+  var now = this.network.now();
   var addrs = packet.items;
-  var i;
+  var i, addr;
 
-  for (i = 0; i < addrs.length; i++)
-    this.addrFilter.add(addrs[i].host, 'ascii');
+  for (i = 0; i < addrs.length; i++) {
+    addr = addrs[i];
+
+    if (addr.ts <= 100000000 || addr.ts > now + 10 * 60)
+      addr.ts = now - 5 * 24 * 60 * 60;
+
+    this.addrFilter.add(addr.host, 'ascii');
+  }
 
   this.logger.info(
     'Received %d addrs (hosts=%d, peers=%d) (%s).',
diff --git a/lib/net/pool.js b/lib/net/pool.js
index 6010efb3..bbef75a1 100644
--- a/lib/net/pool.js
+++ b/lib/net/pool.js
@@ -25,7 +25,6 @@ var ec = require('../crypto/ec');
 var InvItem = require('../primitives/invitem');
 var Locker = require('../utils/locker');
 var Network = require('../protocol/network');
-var time = require('./time');
 var Peer = require('./peer');
 var TX = require('../primitives/tx');
 var tcp = require('./tcp');
@@ -462,7 +461,7 @@ Pool.prototype._handleLeech = function _handleLeech(socket) {
     return;
   }
 
-  addr = NetworkAddress.fromSocket(socket);
+  addr = NetworkAddress.fromSocket(socket, this.network);
 
   if (this.peers.leeches.length >= this.maxLeeches) {
     this.logger.debug('Ignoring leech: too many leeches (%s).', addr.hostname);
@@ -733,11 +732,12 @@ Pool.prototype._handleHeaders = co(function* _handleHeaders(headers, peer) {
  */
 
 Pool.prototype.__handleHeaders = co(function* _handleHeaders(headers, peer) {
-  var i, ret, header, hash, last;
+  var i, now, ret, header, hash, last;
 
   if (!this.options.headers)
     return;
 
+  now = this.network.now();
   ret = new VerifyResult();
 
   this.logger.debug(
@@ -763,7 +763,7 @@ Pool.prototype.__handleHeaders = co(function* _handleHeaders(headers, peer) {
       throw new Error('Bad header chain.');
     }
 
-    if (!header.verify(ret)) {
+    if (!header.verify(now, ret)) {
       peer.reject(header, 'invalid', ret.reason, 100);
       throw new Error('Invalid header.');
     }
@@ -1216,7 +1216,7 @@ Pool.prototype.createPeer = function createPeer(addr, socket) {
       version.services.toString(2),
       version.agent);
 
-    time.add(peer.hostname, version.ts);
+    self.network.time.add(peer.hostname, version.ts);
 
     self.emit('version', version, peer);
   });
@@ -1254,7 +1254,7 @@ Pool.prototype.createPeer = function createPeer(addr, socket) {
  */
 
 Pool.prototype._handleAlert = function _handleAlert(alert, peer) {
-  var now = time.now();
+  var now = this.network.now();
 
   if (!alert.verify(this.network.alertKey)) {
     this.logger.warning('Peer sent a phony alert packet (%s).', peer.hostname);
diff --git a/lib/node/node.js b/lib/node/node.js
index b1489fb9..7dd8461f 100644
--- a/lib/node/node.js
+++ b/lib/node/node.js
@@ -14,7 +14,6 @@ var assert = require('assert');
 var Network = require('../protocol/network');
 var Logger = require('./logger');
 var NodeClient = require('./nodeclient');
-var time = require('../net/time');
 var workerPool = require('../workers/workerpool').pool;
 
 /**
@@ -95,16 +94,16 @@ Node.prototype._onOpen = function _onOpen() {
 
   this.logger.open();
 
-  this._bind(time, 'offset', function(offset) {
+  this._bind(this.network.time, 'offset', function(offset) {
     self.logger.info('Time offset: %d (%d minutes).', offset, offset / 60 | 0);
   });
 
-  this._bind(time, 'sample', function(sample, total) {
+  this._bind(this.network.time, 'sample', function(sample, total) {
     self.logger.debug('Added time data: samples=%d, offset=%d (%d minutes).',
       total, sample, sample / 60 | 0);
   });
 
-  this._bind(time, 'mismatch', function() {
+  this._bind(this.network.time, 'mismatch', function() {
     self.logger.warning('Please make sure your system clock is correct!');
   });
 
diff --git a/lib/primitives/abstractblock.js b/lib/primitives/abstractblock.js
index 39f574c7..5ad0855f 100644
--- a/lib/primitives/abstractblock.js
+++ b/lib/primitives/abstractblock.js
@@ -14,7 +14,6 @@ var crypto = require('../crypto/crypto');
 var btcutils = require('../btc/utils');
 var VerifyResult = require('../btc/errors').VerifyResult;
 var BufferWriter = require('../utils/writer');
-var time = require('../net/time');
 var InvItem = require('./invitem');
 
 /**
@@ -188,11 +187,11 @@ AbstractBlock.prototype.abbr = function abbr(writer) {
  * @returns {Boolean}
  */
 
-AbstractBlock.prototype.verify = function verify(ret) {
+AbstractBlock.prototype.verify = function verify(now, ret) {
   var valid = this._valid;
 
   if (valid == null) {
-    valid = this._verify(ret);
+    valid = this._verify(now, ret);
     if (!this.mutable)
       this._valid = valid;
   }
@@ -203,12 +202,16 @@ AbstractBlock.prototype.verify = function verify(ret) {
 /**
  * Verify the block headers (called by `verify()` in
  * all objects which inherit from AbstractBlock).
+ * @param {Number|null} - Adjusted time.
  * @param {Object?} ret - Return object, may be
  * set with properties `reason` and `score`.
  * @returns {Boolean}
  */
 
-AbstractBlock.prototype.verifyHeaders = function verifyHeaders(ret) {
+AbstractBlock.prototype.verifyHeaders = function verifyHeaders(now, ret) {
+  if (!now)
+    now = util.now();
+
   if (!ret)
     ret = new VerifyResult();
 
@@ -220,7 +223,7 @@ AbstractBlock.prototype.verifyHeaders = function verifyHeaders(ret) {
   }
 
   // Check timestamp against adjusted-time + 2 hours.
-  if (this.ts > time.now() + 2 * 60 * 60) {
+  if (this.ts > now + 2 * 60 * 60) {
     ret.reason = 'time-too-new';
     ret.score = 0;
     return false;
diff --git a/lib/primitives/block.js b/lib/primitives/block.js
index c80e3776..ada5f533 100644
--- a/lib/primitives/block.js
+++ b/lib/primitives/block.js
@@ -427,12 +427,13 @@ Block.prototype.getCommitmentHash = function getCommitmentHash(enc) {
  * Do non-contextual verification on the block. Including checking the block
  * size, the coinbase and the merkle root. This is consensus-critical.
  * @alias Block#verify
+ * @param {Number|null} - Adjusted time.
  * @param {Object?} ret - Return object, may be
  * set with properties `reason` and `score`.
  * @returns {Boolean}
  */
 
-Block.prototype._verify = function _verify(ret) {
+Block.prototype._verify = function _verify(now, ret) {
   var sigops = 0;
   var scale = constants.WITNESS_SCALE_FACTOR;
   var i, tx, merkle;
@@ -440,7 +441,7 @@ Block.prototype._verify = function _verify(ret) {
   if (!ret)
     ret = new VerifyResult();
 
-  if (!this.verifyHeaders(ret))
+  if (!this.verifyHeaders(now, ret))
     return false;
 
   // Size can't be bigger than MAX_BLOCK_SIZE
diff --git a/lib/primitives/headers.js b/lib/primitives/headers.js
index c09bd017..9ce9a850 100644
--- a/lib/primitives/headers.js
+++ b/lib/primitives/headers.js
@@ -32,13 +32,14 @@ util.inherits(Headers, AbstractBlock);
 /**
  * Do non-contextual verification on the headers.
  * @alias Headers#verify
+ * @param {Number|null} - Adjusted time.
  * @param {Object?} ret - Return object, may be
  * set with properties `reason` and `score`.
  * @returns {Boolean}
  */
 
-Headers.prototype._verify = function _verify(ret) {
-  return this.verifyHeaders(ret);
+Headers.prototype._verify = function _verify(now, ret) {
+  return this.verifyHeaders(now, ret);
 };
 
 /**
diff --git a/lib/primitives/memblock.js b/lib/primitives/memblock.js
index 3ca10296..4156d1ed 100644
--- a/lib/primitives/memblock.js
+++ b/lib/primitives/memblock.js
@@ -106,13 +106,14 @@ MemBlock.prototype.getSize = function getSize() {
 /**
  * Verify the block headers.
  * @alias MemBlock#verify
+ * @param {Number|null} - Adjusted time.
  * @param {Object?} ret - Return object, may be
  * set with properties `reason` and `score`.
  * @returns {Boolean}
  */
 
-MemBlock.prototype._verify = function _verify(ret) {
-  return this.verifyHeaders(ret);
+MemBlock.prototype._verify = function _verify(now, ret) {
+  return this.verifyHeaders(now, ret);
 };
 
 /**
diff --git a/lib/primitives/merkleblock.js b/lib/primitives/merkleblock.js
index d470b518..dcd9f43e 100644
--- a/lib/primitives/merkleblock.js
+++ b/lib/primitives/merkleblock.js
@@ -279,16 +279,17 @@ MerkleBlock.prototype.extractTree = function extractTree() {
  * Do non-contextual verification on the block.
  * Verify the headers and the partial merkle tree.
  * @alias MerkleBlock#verify
+ * @param {Number|null} - Adjusted time.
  * @param {Object?} ret - Return object, may be
  * set with properties `reason` and `score`.
  * @returns {Boolean}
  */
 
-MerkleBlock.prototype._verify = function _verify(ret) {
+MerkleBlock.prototype._verify = function _verify(now, ret) {
   if (!ret)
     ret = new VerifyResult();
 
-  if (!this.verifyHeaders(ret))
+  if (!this.verifyHeaders(now, ret))
     return false;
 
   if (!this.verifyPartial()) {
diff --git a/lib/primitives/netaddress.js b/lib/primitives/netaddress.js
index 8fdf3bbc..e52635a3 100644
--- a/lib/primitives/netaddress.js
+++ b/lib/primitives/netaddress.js
@@ -8,7 +8,6 @@
 
 var constants = require('../protocol/constants');
 var Network = require('../protocol/network');
-var time = require('../net/time');
 var util = require('../utils/util');
 var IP = require('../utils/ip');
 var assert = require('assert');
@@ -193,7 +192,7 @@ NetworkAddress.prototype.fromHostname = function fromHostname(hostname, network)
   this.services = constants.services.NETWORK
     | constants.services.BLOOM
     | constants.services.WITNESS;
-  this.ts = time.now();
+  this.ts = network.now();
 
   this.hostname = IP.hostname(this.host, this.port);
 
@@ -218,16 +217,18 @@ NetworkAddress.fromHostname = function fromHostname(hostname, network) {
  * @param {net.Socket} socket
  */
 
-NetworkAddress.prototype.fromSocket = function fromSocket(socket) {
+NetworkAddress.prototype.fromSocket = function fromSocket(socket, network) {
   assert(typeof socket.remoteAddress === 'string');
   assert(typeof socket.remotePort === 'number');
 
+  network = Network.get(network);
+
   this.host = IP.normalize(socket.remoteAddress);
   this.port = socket.remotePort;
   this.services = constants.services.NETWORK
     | constants.services.BLOOM
     | constants.services.WITNESS;
-  this.ts = time.now();
+  this.ts = network.now();
 
   this.hostname = IP.hostname(this.host, this.port);
 
@@ -241,8 +242,8 @@ NetworkAddress.prototype.fromSocket = function fromSocket(socket) {
  * @returns {NetworkAddress}
  */
 
-NetworkAddress.fromSocket = function fromSocket(hostname) {
-  return new NetworkAddress().fromSocket(hostname);
+NetworkAddress.fromSocket = function fromSocket(hostname, network) {
+  return new NetworkAddress().fromSocket(hostname, network);
 };
 
 /**
@@ -254,7 +255,6 @@ NetworkAddress.fromSocket = function fromSocket(hostname) {
 
 NetworkAddress.prototype.fromRaw = function fromRaw(data, full) {
   var br = BufferReader(data);
-  var now = time.now();
 
   // only version >= 31402
   this.ts = full ? br.readU32() : 0;
@@ -262,9 +262,6 @@ NetworkAddress.prototype.fromRaw = function fromRaw(data, full) {
   this.host = IP.toString(br.readBytes(16));
   this.port = br.readU16BE();
 
-  if (this.ts <= 100000000 || this.ts > now + 10 * 60)
-    this.ts = now - 5 * 24 * 60 * 60;
-
   this.hostname = IP.hostname(this.host, this.port);
 
   return this;
diff --git a/lib/protocol/network.js b/lib/protocol/network.js
index d291ed89..85fd3eab 100644
--- a/lib/protocol/network.js
+++ b/lib/protocol/network.js
@@ -11,6 +11,7 @@ var assert = require('assert');
 var util = require('../utils/util');
 var networks = require('./networks');
 var constants = require('./constants');
+var TimeData = require('./timedata');
 
 /**
  * Represents a network.
@@ -53,6 +54,7 @@ function Network(options) {
   this.selfConnect = options.selfConnect;
   this.requestMempool = options.requestMempool;
   this.batchSize = options.batchSize;
+  this.time = new TimeData();
 
   this._init();
 }
@@ -135,6 +137,15 @@ Network.prototype.getBatchSize = function getBatchSize(height) {
   return batch[last][0];
 };
 
+/**
+ * Get network adjusted time.
+ * @returns {Number}
+ */
+
+Network.prototype.now = function now() {
+  return this.time.now();
+};
+
 /**
  * Create a network. Get existing network if possible.
  * @param {NetworkType|Object} options
diff --git a/lib/net/time.js b/lib/protocol/timedata.js
similarity index 92%
rename from lib/net/time.js
rename to lib/protocol/timedata.js
index 927daca0..2ebfc2ba 100644
--- a/lib/net/time.js
+++ b/lib/protocol/timedata.js
@@ -44,21 +44,21 @@ util.inherits(TimeData, EventEmitter);
 
 /**
  * Add time data.
- * @param {String} host
+ * @param {String} id
  * @param {Number} time
  */
 
-TimeData.prototype.add = function add(host, time) {
+TimeData.prototype.add = function add(id, time) {
   var sample = time - util.now();
   var i, median, match, offset;
 
   if (this.samples.length >= this.limit)
     return;
 
-  if (this.known[host] != null)
+  if (this.known[id] != null)
     return;
 
-  this.known[host] = sample;
+  this.known[id] = sample;
 
   util.binaryInsert(this.samples, sample, compare);
 
@@ -112,4 +112,4 @@ function compare(a, b) {
  * Expose
  */
 
-module.exports = new TimeData();
+module.exports = TimeData;
diff --git a/test/block-test.js b/test/block-test.js
index 25a57254..336f4adf 100644
--- a/test/block-test.js
+++ b/test/block-test.js
@@ -166,7 +166,7 @@ describe('Block', function() {
     block2.merkleRoot = constants.NULL_HASH;
     delete block2._valid;
     var ret = {};
-    assert(!block2.verify(ret));
+    assert(!block2.verify(0, ret));
     assert.equal(ret.reason, 'bad-txnmrklroot');
     delete block2._valid;
     delete block2._hash;
@@ -179,7 +179,7 @@ describe('Block', function() {
     mblock2.hash();
     mblock2.merkleRoot = constants.NULL_HASH;
     var ret = {};
-    assert(!mblock2.verify(ret));
+    assert(!mblock2.verify(0, ret));
     assert.equal(ret.reason, 'bad-txnmrklroot');
     delete mblock2._validPartial;
     delete mblock2._valid;
@@ -193,7 +193,7 @@ describe('Block', function() {
     block2.hash();
     block2.bits = 403014710;
     var ret = {};
-    assert(!block2.verify(ret));
+    assert(!block2.verify(0, ret));
     assert.equal(ret.reason, 'high-hash');
     delete block2._valid;
     delete block2._hash;
@@ -205,7 +205,7 @@ describe('Block', function() {
     var block2 = new bcoin.block(block);
     block2.txs.push(block2.txs[block2.txs.length - 1]);
     var ret = {};
-    assert(!block2.verify(ret));
+    assert(!block2.verify(0, ret));
     assert.equal(ret.reason, 'bad-txns-duplicate');
   });